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Finding the Fourth Proportional to 531,570.40, 797,355.60 and 176,620.30

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Solution

The fourth proportional to 531,570.40, 797,355.60 and 176,620.30 is: 264,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,570.40 : 797,355.60 = 176,620.30 : x
  2. Step 2: Convert to fraction form
    531,570.40/797,355.60 = 176,620.30/x
  3. Step 3: Cross multiply
    531,570.40x = 797,355.60 × 176,620.30
  4. Step 4: Simplify right side
    531,570.40x = 140,829,185,278.68
  5. Step 5: Solve for x
    x = 140,829,185,278.68/531,570.40
  6. Step 6: Final answer
    x = 264,930.45

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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.