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Finding the Fourth Proportional to 369,114.60, 552,359.70 and 256,265.40

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Solution

The fourth proportional to 369,114.60, 552,359.70 and 256,265.40 is: 383,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,114.60 : 552,359.70 = 256,265.40 : x
  2. Step 2: Convert to fraction form
    369,114.60/552,359.70 = 256,265.40/x
  3. Step 3: Cross multiply
    369,114.60x = 552,359.70 × 256,265.40
  4. Step 4: Simplify right side
    369,114.60x = 141,550,679,464.38
  5. Step 5: Solve for x
    x = 141,550,679,464.38/369,114.60
  6. Step 6: Final answer
    x = 383,487.08

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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.