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Finding the Fourth Proportional to 435,494.52, 653,235.98 and 210,875.08

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Solution

The fourth proportional to 435,494.52, 653,235.98 and 210,875.08 is: 316,309.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,494.52 : 653,235.98 = 210,875.08 : x
  2. Step 2: Convert to fraction form
    435,494.52/653,235.98 = 210,875.08/x
  3. Step 3: Cross multiply
    435,494.52x = 653,235.98 × 210,875.08
  4. Step 4: Simplify right side
    435,494.52x = 137,751,189,541.38
  5. Step 5: Solve for x
    x = 137,751,189,541.38/435,494.52
  6. Step 6: Final answer
    x = 316,309.81

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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.