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Finding the Fourth Proportional to 292,831.76, 403,806.12 and 250,530.32

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Solution

The fourth proportional to 292,831.76, 403,806.12 and 250,530.32 is: 345,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,831.76 : 403,806.12 = 250,530.32 : x
  2. Step 2: Convert to fraction form
    292,831.76/403,806.12 = 250,530.32/x
  3. Step 3: Cross multiply
    292,831.76x = 403,806.12 × 250,530.32
  4. Step 4: Simplify right side
    292,831.76x = 101,165,676,461.56
  5. Step 5: Solve for x
    x = 101,165,676,461.56/292,831.76
  6. Step 6: Final answer
    x = 345,473.72

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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.