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Finding the Fourth Proportional to 499,488.90, 749,233.35 and 349,898.10

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Solution

The fourth proportional to 499,488.90, 749,233.35 and 349,898.10 is: 524,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,488.90 : 749,233.35 = 349,898.10 : x
  2. Step 2: Convert to fraction form
    499,488.90/749,233.35 = 349,898.10/x
  3. Step 3: Cross multiply
    499,488.90x = 749,233.35 × 349,898.10
  4. Step 4: Simplify right side
    499,488.90x = 262,155,325,621.64
  5. Step 5: Solve for x
    x = 262,155,325,621.64/499,488.90
  6. Step 6: Final answer
    x = 524,847.15

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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.