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Finding the Fourth Proportional to 616,311.60, 922,717.80 and 616,311.60

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Solution

The fourth proportional to 616,311.60, 922,717.80 and 616,311.60 is: 922,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,311.60 : 922,717.80 = 616,311.60 : x
  2. Step 2: Convert to fraction form
    616,311.60/922,717.80 = 616,311.60/x
  3. Step 3: Cross multiply
    616,311.60x = 922,717.80 × 616,311.60
  4. Step 4: Simplify right side
    616,311.60x = 568,681,683,666.48
  5. Step 5: Solve for x
    x = 568,681,683,666.48/616,311.60
  6. Step 6: Final answer
    x = 922,717.80

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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.