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Finding the Fourth Proportional to 526,560.54, 789,356.24 and 286,323.46

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Solution

The fourth proportional to 526,560.54, 789,356.24 and 286,323.46 is: 429,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,560.54 : 789,356.24 = 286,323.46 : x
  2. Step 2: Convert to fraction form
    526,560.54/789,356.24 = 286,323.46/x
  3. Step 3: Cross multiply
    526,560.54x = 789,356.24 × 286,323.46
  4. Step 4: Simplify right side
    526,560.54x = 226,011,209,809.39
  5. Step 5: Solve for x
    x = 226,011,209,809.39/526,560.54
  6. Step 6: Final answer
    x = 429,221.70

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1.5x scale

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.