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Finding the Fourth Proportional to 659,509.50, 910,123.17 and 373,023.42

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Solution

The fourth proportional to 659,509.50, 910,123.17 and 373,023.42 is: 514,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,509.50 : 910,123.17 = 373,023.42 : x
  2. Step 2: Convert to fraction form
    659,509.50/910,123.17 = 373,023.42/x
  3. Step 3: Cross multiply
    659,509.50x = 910,123.17 × 373,023.42
  4. Step 4: Simplify right side
    659,509.50x = 339,497,257,494.64
  5. Step 5: Solve for x
    x = 339,497,257,494.64/659,509.50
  6. Step 6: Final answer
    x = 514,772.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.