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Finding the Fourth Proportional to 375,649,945.62, 563,210,892.54 and 165,460,878.24

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Solution

The fourth proportional to 375,649,945.62, 563,210,892.54 and 165,460,878.24 is: 248,075,023.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,649,945.62 : 563,210,892.54 = 165,460,878.24 : x
  2. Step 2: Convert to fraction form
    375,649,945.62/563,210,892.54 = 165,460,878.24/x
  3. Step 3: Cross multiply
    375,649,945.62x = 563,210,892.54 × 165,460,878.24
  4. Step 4: Simplify right side
    375,649,945.62x = 93,189,368,914,002,656
  5. Step 5: Solve for x
    x = 93,189,368,914,002,656/375,649,945.62
  6. Step 6: Final answer
    x = 248,075,023.04

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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.