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Finding the Fourth Proportional to 933,463.64, 1,288,205.88 and 570,881

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Solution

The fourth proportional to 933,463.64, 1,288,205.88 and 570,881 is: 787,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,463.64 : 1,288,205.88 = 570,881 : x
  2. Step 2: Convert to fraction form
    933,463.64/1,288,205.88 = 570,881/x
  3. Step 3: Cross multiply
    933,463.64x = 1,288,205.88 × 570,881
  4. Step 4: Simplify right side
    933,463.64x = 735,412,260,980.28
  5. Step 5: Solve for x
    x = 735,412,260,980.28/933,463.64
  6. Step 6: Final answer
    x = 787,831.72

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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.