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Finding the Fourth Proportional to 418,151.46, 577,098.46 and 248,386.26

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Solution

The fourth proportional to 418,151.46, 577,098.46 and 248,386.26 is: 342,802.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,151.46 : 577,098.46 = 248,386.26 : x
  2. Step 2: Convert to fraction form
    418,151.46/577,098.46 = 248,386.26/x
  3. Step 3: Cross multiply
    418,151.46x = 577,098.46 × 248,386.26
  4. Step 4: Simplify right side
    418,151.46x = 143,343,328,131.16
  5. Step 5: Solve for x
    x = 143,343,328,131.16/418,151.46
  6. Step 6: Final answer
    x = 342,802.41

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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.