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Finding the Fourth Proportional to 369,978.64, 554,931.61 and 250,801.18

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Solution

The fourth proportional to 369,978.64, 554,931.61 and 250,801.18 is: 376,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,978.64 : 554,931.61 = 250,801.18 : x
  2. Step 2: Convert to fraction form
    369,978.64/554,931.61 = 250,801.18/x
  3. Step 3: Cross multiply
    369,978.64x = 554,931.61 × 250,801.18
  4. Step 4: Simplify right side
    369,978.64x = 139,177,500,592.97
  5. Step 5: Solve for x
    x = 139,177,500,592.97/369,978.64
  6. Step 6: Final answer
    x = 376,177.13

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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.