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Finding the Fourth Proportional to 568,135.76, 784,001.12 and 326,248.16

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Solution

The fourth proportional to 568,135.76, 784,001.12 and 326,248.16 is: 450,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,135.76 : 784,001.12 = 326,248.16 : x
  2. Step 2: Convert to fraction form
    568,135.76/784,001.12 = 326,248.16/x
  3. Step 3: Cross multiply
    568,135.76x = 784,001.12 × 326,248.16
  4. Step 4: Simplify right side
    568,135.76x = 255,778,922,837.94
  5. Step 5: Solve for x
    x = 255,778,922,837.94/568,135.76
  6. Step 6: Final answer
    x = 450,207.40

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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.