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Finding the Fourth Proportional to 270,918.95, 406,397.90 and 93,423.39

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Solution

The fourth proportional to 270,918.95, 406,397.90 and 93,423.39 is: 140,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,918.95 : 406,397.90 = 93,423.39 : x
  2. Step 2: Convert to fraction form
    270,918.95/406,397.90 = 93,423.39/x
  3. Step 3: Cross multiply
    270,918.95x = 406,397.90 × 93,423.39
  4. Step 4: Simplify right side
    270,918.95x = 37,967,069,039.76
  5. Step 5: Solve for x
    x = 37,967,069,039.76/270,918.95
  6. Step 6: Final answer
    x = 140,141.80

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1.5x scale

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.