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Finding the Fourth Proportional to 508,328.48, 762,498.19 and 153,345.58

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Solution

The fourth proportional to 508,328.48, 762,498.19 and 153,345.58 is: 230,020.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,328.48 : 762,498.19 = 153,345.58 : x
  2. Step 2: Convert to fraction form
    508,328.48/762,498.19 = 153,345.58/x
  3. Step 3: Cross multiply
    508,328.48x = 762,498.19 × 153,345.58
  4. Step 4: Simplify right side
    508,328.48x = 116,925,725,479.94
  5. Step 5: Solve for x
    x = 116,925,725,479.94/508,328.48
  6. Step 6: Final answer
    x = 230,020.02

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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.