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Finding the Fourth Proportional to 628,823.80, 943,235.70 and 601,267.60

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Solution

The fourth proportional to 628,823.80, 943,235.70 and 601,267.60 is: 901,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,823.80 : 943,235.70 = 601,267.60 : x
  2. Step 2: Convert to fraction form
    628,823.80/943,235.70 = 601,267.60/x
  3. Step 3: Cross multiply
    628,823.80x = 943,235.70 × 601,267.60
  4. Step 4: Simplify right side
    628,823.80x = 567,137,065,573.32
  5. Step 5: Solve for x
    x = 567,137,065,573.32/628,823.80
  6. Step 6: Final answer
    x = 901,901.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.