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Finding the Fourth Proportional to 473,931.61, 654,143.15 and 270,103.42

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Solution

The fourth proportional to 473,931.61, 654,143.15 and 270,103.42 is: 372,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,931.61 : 654,143.15 = 270,103.42 : x
  2. Step 2: Convert to fraction form
    473,931.61/654,143.15 = 270,103.42/x
  3. Step 3: Cross multiply
    473,931.61x = 654,143.15 × 270,103.42
  4. Step 4: Simplify right side
    473,931.61x = 176,686,297,363.34
  5. Step 5: Solve for x
    x = 176,686,297,363.34/473,931.61
  6. Step 6: Final answer
    x = 372,809.70

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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.