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Finding the Fourth Proportional to 532,127.25, 734,351.13 and 290,425.28

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Solution

The fourth proportional to 532,127.25, 734,351.13 and 290,425.28 is: 400,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,127.25 : 734,351.13 = 290,425.28 : x
  2. Step 2: Convert to fraction form
    532,127.25/734,351.13 = 290,425.28/x
  3. Step 3: Cross multiply
    532,127.25x = 734,351.13 × 290,425.28
  4. Step 4: Simplify right side
    532,127.25x = 213,274,128,876.81
  5. Step 5: Solve for x
    x = 213,274,128,876.81/532,127.25
  6. Step 6: Final answer
    x = 400,795.35

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1.5x scale

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.