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Finding the Fourth Proportional to 508,339.17, 762,514.23 and 153,356.28

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Solution

The fourth proportional to 508,339.17, 762,514.23 and 153,356.28 is: 230,036.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,339.17 : 762,514.23 = 153,356.28 : x
  2. Step 2: Convert to fraction form
    508,339.17/762,514.23 = 153,356.28/x
  3. Step 3: Cross multiply
    508,339.17x = 762,514.23 × 153,356.28
  4. Step 4: Simplify right side
    508,339.17x = 116,936,345,759.86
  5. Step 5: Solve for x
    x = 116,936,345,759.86/508,339.17
  6. Step 6: Final answer
    x = 230,036.07

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1.5x scale

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.