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Finding the Fourth Proportional to 614,718.60, 922,077.90 and 602,908.80

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Solution

The fourth proportional to 614,718.60, 922,077.90 and 602,908.80 is: 904,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,718.60 : 922,077.90 = 602,908.80 : x
  2. Step 2: Convert to fraction form
    614,718.60/922,077.90 = 602,908.80/x
  3. Step 3: Cross multiply
    614,718.60x = 922,077.90 × 602,908.80
  4. Step 4: Simplify right side
    614,718.60x = 555,928,880,195.52
  5. Step 5: Solve for x
    x = 555,928,880,195.52/614,718.60
  6. Step 6: Final answer
    x = 904,363.20

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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.