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Finding the Fourth Proportional to 494,999.40, 742,499.10 and 337,535.40

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Solution

The fourth proportional to 494,999.40, 742,499.10 and 337,535.40 is: 506,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,999.40 : 742,499.10 = 337,535.40 : x
  2. Step 2: Convert to fraction form
    494,999.40/742,499.10 = 337,535.40/x
  3. Step 3: Cross multiply
    494,999.40x = 742,499.10 × 337,535.40
  4. Step 4: Simplify right side
    494,999.40x = 250,619,730,718.14
  5. Step 5: Solve for x
    x = 250,619,730,718.14/494,999.40
  6. Step 6: Final answer
    x = 506,303.10

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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.