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Finding the Fourth Proportional to 532,628.48, 798,033.36 and 292,943

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Solution

The fourth proportional to 532,628.48, 798,033.36 and 292,943 is: 438,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,628.48 : 798,033.36 = 292,943 : x
  2. Step 2: Convert to fraction form
    532,628.48/798,033.36 = 292,943/x
  3. Step 3: Cross multiply
    532,628.48x = 798,033.36 × 292,943
  4. Step 4: Simplify right side
    532,628.48x = 233,778,286,578.48
  5. Step 5: Solve for x
    x = 233,778,286,578.48/532,628.48
  6. Step 6: Final answer
    x = 438,914.36

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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.