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Finding the Fourth Proportional to 502,995.48, 754,613.07 and 148,021.08

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Solution

The fourth proportional to 502,995.48, 754,613.07 and 148,021.08 is: 222,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,995.48 : 754,613.07 = 148,021.08 : x
  2. Step 2: Convert to fraction form
    502,995.48/754,613.07 = 148,021.08/x
  3. Step 3: Cross multiply
    502,995.48x = 754,613.07 × 148,021.08
  4. Step 4: Simplify right side
    502,995.48x = 111,698,641,603.52
  5. Step 5: Solve for x
    x = 111,698,641,603.52/502,995.48
  6. Step 6: Final answer
    x = 222,066.89

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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.