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Finding the Fourth Proportional to 545,031.38, 752,148.24 and 303,324.14

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Solution

The fourth proportional to 545,031.38, 752,148.24 and 303,324.14 is: 418,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,031.38 : 752,148.24 = 303,324.14 : x
  2. Step 2: Convert to fraction form
    545,031.38/752,148.24 = 303,324.14/x
  3. Step 3: Cross multiply
    545,031.38x = 752,148.24 × 303,324.14
  4. Step 4: Simplify right side
    545,031.38x = 228,144,718,050.51
  5. Step 5: Solve for x
    x = 228,144,718,050.51/545,031.38
  6. Step 6: Final answer
    x = 418,590.06

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Similar ratio
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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.