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Finding the Fourth Proportional to 494,750.60, 742,125.90 and 368,779.40

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Solution

The fourth proportional to 494,750.60, 742,125.90 and 368,779.40 is: 553,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,750.60 : 742,125.90 = 368,779.40 : x
  2. Step 2: Convert to fraction form
    494,750.60/742,125.90 = 368,779.40/x
  3. Step 3: Cross multiply
    494,750.60x = 742,125.90 × 368,779.40
  4. Step 4: Simplify right side
    494,750.60x = 273,680,744,126.46
  5. Step 5: Solve for x
    x = 273,680,744,126.46/494,750.60
  6. Step 6: Final answer
    x = 553,169.10

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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.