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Finding the Fourth Proportional to 448,547.71, 619,010.79 and 244,609.79

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Solution

The fourth proportional to 448,547.71, 619,010.79 and 244,609.79 is: 337,569.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,547.71 : 619,010.79 = 244,609.79 : x
  2. Step 2: Convert to fraction form
    448,547.71/619,010.79 = 244,609.79/x
  3. Step 3: Cross multiply
    448,547.71x = 619,010.79 × 244,609.79
  4. Step 4: Simplify right side
    448,547.71x = 151,416,098,126.59
  5. Step 5: Solve for x
    x = 151,416,098,126.59/448,547.71
  6. Step 6: Final answer
    x = 337,569.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.