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Finding the Fourth Proportional to 572,335.48, 858,624.65 and 217,341.64

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Solution

The fourth proportional to 572,335.48, 858,624.65 and 217,341.64 is: 326,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,335.48 : 858,624.65 = 217,341.64 : x
  2. Step 2: Convert to fraction form
    572,335.48/858,624.65 = 217,341.64/x
  3. Step 3: Cross multiply
    572,335.48x = 858,624.65 × 217,341.64
  4. Step 4: Simplify right side
    572,335.48x = 186,614,884,195.60
  5. Step 5: Solve for x
    x = 186,614,884,195.60/572,335.48
  6. Step 6: Final answer
    x = 326,058.57

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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.