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Finding the Fourth Proportional to 659,456.96, 910,099.53 and 369,097.61

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Solution

The fourth proportional to 659,456.96, 910,099.53 and 369,097.61 is: 509,382.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,456.96 : 910,099.53 = 369,097.61 : x
  2. Step 2: Convert to fraction form
    659,456.96/910,099.53 = 369,097.61/x
  3. Step 3: Cross multiply
    659,456.96x = 910,099.53 × 369,097.61
  4. Step 4: Simplify right side
    659,456.96x = 335,915,556,834.63
  5. Step 5: Solve for x
    x = 335,915,556,834.63/659,456.96
  6. Step 6: Final answer
    x = 509,382.08

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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.