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Finding the Fourth Proportional to 395,010.90, 592,503.03 and 158,290.02

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Solution

The fourth proportional to 395,010.90, 592,503.03 and 158,290.02 is: 237,429.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,010.90 : 592,503.03 = 158,290.02 : x
  2. Step 2: Convert to fraction form
    395,010.90/592,503.03 = 158,290.02/x
  3. Step 3: Cross multiply
    395,010.90x = 592,503.03 × 158,290.02
  4. Step 4: Simplify right side
    395,010.90x = 93,787,316,468.76
  5. Step 5: Solve for x
    x = 93,787,316,468.76/395,010.90
  6. Step 6: Final answer
    x = 237,429.69

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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.