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Finding the Fourth Proportional to 434,075.60, 651,113.40 and 277,000.40

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Solution

The fourth proportional to 434,075.60, 651,113.40 and 277,000.40 is: 415,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,075.60 : 651,113.40 = 277,000.40 : x
  2. Step 2: Convert to fraction form
    434,075.60/651,113.40 = 277,000.40/x
  3. Step 3: Cross multiply
    434,075.60x = 651,113.40 × 277,000.40
  4. Step 4: Simplify right side
    434,075.60x = 180,358,672,245.36
  5. Step 5: Solve for x
    x = 180,358,672,245.36/434,075.60
  6. Step 6: Final answer
    x = 415,500.60

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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.