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Finding the Fourth Proportional to 659,511.50, 910,125.93 and 373,025.42

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Solution

The fourth proportional to 659,511.50, 910,125.93 and 373,025.42 is: 514,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,511.50 : 910,125.93 = 373,025.42 : x
  2. Step 2: Convert to fraction form
    659,511.50/910,125.93 = 373,025.42/x
  3. Step 3: Cross multiply
    659,511.50x = 910,125.93 × 373,025.42
  4. Step 4: Simplify right side
    659,511.50x = 339,500,107,291.14
  5. Step 5: Solve for x
    x = 339,500,107,291.14/659,511.50
  6. Step 6: Final answer
    x = 514,775.11

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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.