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Finding the Fourth Proportional to 385,874.28, 576,058.55 and 360,231.17

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Solution

The fourth proportional to 385,874.28, 576,058.55 and 360,231.17 is: 537,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,874.28 : 576,058.55 = 360,231.17 : x
  2. Step 2: Convert to fraction form
    385,874.28/576,058.55 = 360,231.17/x
  3. Step 3: Cross multiply
    385,874.28x = 576,058.55 × 360,231.17
  4. Step 4: Simplify right side
    385,874.28x = 207,514,240,773.56
  5. Step 5: Solve for x
    x = 207,514,240,773.56/385,874.28
  6. Step 6: Final answer
    x = 537,776.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.