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Finding the Fourth Proportional to 369,095.60, 552,331.20 and 256,246.40

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Solution

The fourth proportional to 369,095.60, 552,331.20 and 256,246.40 is: 383,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,095.60 : 552,331.20 = 256,246.40 : x
  2. Step 2: Convert to fraction form
    369,095.60/552,331.20 = 256,246.40/x
  3. Step 3: Cross multiply
    369,095.60x = 552,331.20 × 256,246.40
  4. Step 4: Simplify right side
    369,095.60x = 141,532,881,607.68
  5. Step 5: Solve for x
    x = 141,532,881,607.68/369,095.60
  6. Step 6: Final answer
    x = 383,458.60

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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.