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Finding the Fourth Proportional to 274,533,358.56, 411,869,740.56 and 127,087,218.24

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Solution

The fourth proportional to 274,533,358.56, 411,869,740.56 and 127,087,218.24 is: 190,663,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,533,358.56 : 411,869,740.56 = 127,087,218.24 : x
  2. Step 2: Convert to fraction form
    274,533,358.56/411,869,740.56 = 127,087,218.24/x
  3. Step 3: Cross multiply
    274,533,358.56x = 411,869,740.56 × 127,087,218.24
  4. Step 4: Simplify right side
    274,533,358.56x = 52,343,379,605,000,896
  5. Step 5: Solve for x
    x = 52,343,379,605,000,896/274,533,358.56
  6. Step 6: Final answer
    x = 190,663,094.20

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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.