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Finding the Fourth Proportional to 521,793.50, 720,095.67 and 292,352.76

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Solution

The fourth proportional to 521,793.50, 720,095.67 and 292,352.76 is: 403,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,793.50 : 720,095.67 = 292,352.76 : x
  2. Step 2: Convert to fraction form
    521,793.50/720,095.67 = 292,352.76/x
  3. Step 3: Cross multiply
    521,793.50x = 720,095.67 × 292,352.76
  4. Step 4: Simplify right side
    521,793.50x = 210,521,956,588.55
  5. Step 5: Solve for x
    x = 210,521,956,588.55/521,793.50
  6. Step 6: Final answer
    x = 403,458.38

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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.