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Finding the Fourth Proportional to 570,410.29, 787,176.80 and 328,652.02

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Solution

The fourth proportional to 570,410.29, 787,176.80 and 328,652.02 is: 453,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,410.29 : 787,176.80 = 328,652.02 : x
  2. Step 2: Convert to fraction form
    570,410.29/787,176.80 = 328,652.02/x
  3. Step 3: Cross multiply
    570,410.29x = 787,176.80 × 328,652.02
  4. Step 4: Simplify right side
    570,410.29x = 258,707,245,417.14
  5. Step 5: Solve for x
    x = 258,707,245,417.14/570,410.29
  6. Step 6: Final answer
    x = 453,545.89

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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.