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Finding the Fourth Proportional to 520,496.92, 718,279.86 and 282,032.92

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Solution

The fourth proportional to 520,496.92, 718,279.86 and 282,032.92 is: 389,202.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,496.92 : 718,279.86 = 282,032.92 : x
  2. Step 2: Convert to fraction form
    520,496.92/718,279.86 = 282,032.92/x
  3. Step 3: Cross multiply
    520,496.92x = 718,279.86 × 282,032.92
  4. Step 4: Simplify right side
    520,496.92x = 202,578,566,292.99
  5. Step 5: Solve for x
    x = 202,578,566,292.99/520,496.92
  6. Step 6: Final answer
    x = 389,202.24

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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.