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Finding the Fourth Proportional to 389,047.59, 583,565.58 and 237,289.23

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Solution

The fourth proportional to 389,047.59, 583,565.58 and 237,289.23 is: 355,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,047.59 : 583,565.58 = 237,289.23 : x
  2. Step 2: Convert to fraction form
    389,047.59/583,565.58 = 237,289.23/x
  3. Step 3: Cross multiply
    389,047.59x = 583,565.58 × 237,289.23
  4. Step 4: Simplify right side
    389,047.59x = 138,473,827,132.70
  5. Step 5: Solve for x
    x = 138,473,827,132.70/389,047.59
  6. Step 6: Final answer
    x = 355,930.30

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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.