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Finding the Fourth Proportional to 315,654.76, 473,486.46 and 176,300.20

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Solution

The fourth proportional to 315,654.76, 473,486.46 and 176,300.20 is: 264,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,654.76 : 473,486.46 = 176,300.20 : x
  2. Step 2: Convert to fraction form
    315,654.76/473,486.46 = 176,300.20/x
  3. Step 3: Cross multiply
    315,654.76x = 473,486.46 × 176,300.20
  4. Step 4: Simplify right side
    315,654.76x = 83,475,757,595.29
  5. Step 5: Solve for x
    x = 83,475,757,595.29/315,654.76
  6. Step 6: Final answer
    x = 264,452.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.