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Finding the Fourth Proportional to 614,718.90, 922,078.38 and 165,440.76

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Solution

The fourth proportional to 614,718.90, 922,078.38 and 165,440.76 is: 248,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,718.90 : 922,078.38 = 165,440.76 : x
  2. Step 2: Convert to fraction form
    614,718.90/922,078.38 = 165,440.76/x
  3. Step 3: Cross multiply
    614,718.90x = 922,078.38 × 165,440.76
  4. Step 4: Simplify right side
    614,718.90x = 152,549,347,966.77
  5. Step 5: Solve for x
    x = 152,549,347,966.77/614,718.90
  6. Step 6: Final answer
    x = 248,161.15

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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.