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Finding the Fourth Proportional to 653,191.92, 901,456.92 and 366,730.80

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Solution

The fourth proportional to 653,191.92, 901,456.92 and 366,730.80 is: 506,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,191.92 : 901,456.92 = 366,730.80 : x
  2. Step 2: Convert to fraction form
    653,191.92/901,456.92 = 366,730.80/x
  3. Step 3: Cross multiply
    653,191.92x = 901,456.92 × 366,730.80
  4. Step 4: Simplify right side
    653,191.92x = 330,592,017,437.14
  5. Step 5: Solve for x
    x = 330,592,017,437.14/653,191.92
  6. Step 6: Final answer
    x = 506,117.74

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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.