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Finding the Fourth Proportional to 714,958.71, 987,283.83 and 533,355.27

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Solution

The fourth proportional to 714,958.71, 987,283.83 and 533,355.27 is: 736,508.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,958.71 : 987,283.83 = 533,355.27 : x
  2. Step 2: Convert to fraction form
    714,958.71/987,283.83 = 533,355.27/x
  3. Step 3: Cross multiply
    714,958.71x = 987,283.83 × 533,355.27
  4. Step 4: Simplify right side
    714,958.71x = 526,573,033,716.28
  5. Step 5: Solve for x
    x = 526,573,033,716.28/714,958.71
  6. Step 6: Final answer
    x = 736,508.31

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1.5x scale

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.