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Finding the Fourth Proportional to 500,387.02, 750,467.95 and 230,256.04

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Solution

The fourth proportional to 500,387.02, 750,467.95 and 230,256.04 is: 345,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,387.02 : 750,467.95 = 230,256.04 : x
  2. Step 2: Convert to fraction form
    500,387.02/750,467.95 = 230,256.04/x
  3. Step 3: Cross multiply
    500,387.02x = 750,467.95 × 230,256.04
  4. Step 4: Simplify right side
    500,387.02x = 172,799,774,561.58
  5. Step 5: Solve for x
    x = 172,799,774,561.58/500,387.02
  6. Step 6: Final answer
    x = 345,332.25

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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.