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Finding the Fourth Proportional to 366,925.30, 550,387.95 and 310,938.10

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Solution

The fourth proportional to 366,925.30, 550,387.95 and 310,938.10 is: 466,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,925.30 : 550,387.95 = 310,938.10 : x
  2. Step 2: Convert to fraction form
    366,925.30/550,387.95 = 310,938.10/x
  3. Step 3: Cross multiply
    366,925.30x = 550,387.95 × 310,938.10
  4. Step 4: Simplify right side
    366,925.30x = 171,136,583,435.90
  5. Step 5: Solve for x
    x = 171,136,583,435.90/366,925.30
  6. Step 6: Final answer
    x = 466,407.15

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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.