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Finding the Fourth Proportional to 269,572,502.40, 404,358,753.60 and 97,075,939.20

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Solution

The fourth proportional to 269,572,502.40, 404,358,753.60 and 97,075,939.20 is: 145,613,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,572,502.40 : 404,358,753.60 = 97,075,939.20 : x
  2. Step 2: Convert to fraction form
    269,572,502.40/404,358,753.60 = 97,075,939.20/x
  3. Step 3: Cross multiply
    269,572,502.40x = 404,358,753.60 × 97,075,939.20
  4. Step 4: Simplify right side
    269,572,502.40x = 39,253,505,779,461,384
  5. Step 5: Solve for x
    x = 39,253,505,779,461,384/269,572,502.40
  6. Step 6: Final answer
    x = 145,613,908.80

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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.