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Finding the Fourth Proportional to 568,526.04, 784,567.10 and 313,877.72

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Solution

The fourth proportional to 568,526.04, 784,567.10 and 313,877.72 is: 433,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,526.04 : 784,567.10 = 313,877.72 : x
  2. Step 2: Convert to fraction form
    568,526.04/784,567.10 = 313,877.72/x
  3. Step 3: Cross multiply
    568,526.04x = 784,567.10 × 313,877.72
  4. Step 4: Simplify right side
    568,526.04x = 246,258,132,535.01
  5. Step 5: Solve for x
    x = 246,258,132,535.01/568,526.04
  6. Step 6: Final answer
    x = 433,151.90

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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.