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Finding the Fourth Proportional to 369,097.60, 552,334.20 and 256,248.40

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Solution

The fourth proportional to 369,097.60, 552,334.20 and 256,248.40 is: 383,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,097.60 : 552,334.20 = 256,248.40 : x
  2. Step 2: Convert to fraction form
    369,097.60/552,334.20 = 256,248.40/x
  3. Step 3: Cross multiply
    369,097.60x = 552,334.20 × 256,248.40
  4. Step 4: Simplify right side
    369,097.60x = 141,534,755,015.28
  5. Step 5: Solve for x
    x = 141,534,755,015.28/369,097.60
  6. Step 6: Final answer
    x = 383,461.60

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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.