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Finding the Fourth Proportional to 520,092.60, 779,601.30 and 282,934.20

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Solution

The fourth proportional to 520,092.60, 779,601.30 and 282,934.20 is: 424,108.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,092.60 : 779,601.30 = 282,934.20 : x
  2. Step 2: Convert to fraction form
    520,092.60/779,601.30 = 282,934.20/x
  3. Step 3: Cross multiply
    520,092.60x = 779,601.30 × 282,934.20
  4. Step 4: Simplify right side
    520,092.60x = 220,575,870,134.46
  5. Step 5: Solve for x
    x = 220,575,870,134.46/520,092.60
  6. Step 6: Final answer
    x = 424,108.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.