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Finding the Fourth Proportional to 508,248.14, 701,264.70 and 304,221.51

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Solution

The fourth proportional to 508,248.14, 701,264.70 and 304,221.51 is: 419,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,248.14 : 701,264.70 = 304,221.51 : x
  2. Step 2: Convert to fraction form
    508,248.14/701,264.70 = 304,221.51/x
  3. Step 3: Cross multiply
    508,248.14x = 701,264.70 × 304,221.51
  4. Step 4: Simplify right side
    508,248.14x = 213,339,805,943.70
  5. Step 5: Solve for x
    x = 213,339,805,943.70/508,248.14
  6. Step 6: Final answer
    x = 419,755.22

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1.5x scale

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.