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Finding the Fourth Proportional to 520,498.92, 718,282.62 and 282,034.92

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Solution

The fourth proportional to 520,498.92, 718,282.62 and 282,034.92 is: 389,205.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,498.92 : 718,282.62 = 282,034.92 : x
  2. Step 2: Convert to fraction form
    520,498.92/718,282.62 = 282,034.92/x
  3. Step 3: Cross multiply
    520,498.92x = 718,282.62 × 282,034.92
  4. Step 4: Simplify right side
    520,498.92x = 202,580,781,269.09
  5. Step 5: Solve for x
    x = 202,580,781,269.09/520,498.92
  6. Step 6: Final answer
    x = 389,205.00

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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.