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Finding the Fourth Proportional to 539,373.60, 804,639.59 and 524,712.84

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Solution

The fourth proportional to 539,373.60, 804,639.59 and 524,712.84 is: 782,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,373.60 : 804,639.59 = 524,712.84 : x
  2. Step 2: Convert to fraction form
    539,373.60/804,639.59 = 524,712.84/x
  3. Step 3: Cross multiply
    539,373.60x = 804,639.59 × 524,712.84
  4. Step 4: Simplify right side
    539,373.60x = 422,204,724,445.34
  5. Step 5: Solve for x
    x = 422,204,724,445.34/539,373.60
  6. Step 6: Final answer
    x = 782,768.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.