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Finding the Fourth Proportional to 484,666.10, 727,114.35 and 204,038.90

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Solution

The fourth proportional to 484,666.10, 727,114.35 and 204,038.90 is: 306,106.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,666.10 : 727,114.35 = 204,038.90 : x
  2. Step 2: Convert to fraction form
    484,666.10/727,114.35 = 204,038.90/x
  3. Step 3: Cross multiply
    484,666.10x = 727,114.35 × 204,038.90
  4. Step 4: Simplify right side
    484,666.10x = 148,359,612,148.22
  5. Step 5: Solve for x
    x = 148,359,612,148.22/484,666.10
  6. Step 6: Final answer
    x = 306,106.85

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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.