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Finding the Fourth Proportional to 525,527.75, 725,228.24 and 283,810.29

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Solution

The fourth proportional to 525,527.75, 725,228.24 and 283,810.29 is: 391,658.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,527.75 : 725,228.24 = 283,810.29 : x
  2. Step 2: Convert to fraction form
    525,527.75/725,228.24 = 283,810.29/x
  3. Step 3: Cross multiply
    525,527.75x = 725,228.24 × 283,810.29
  4. Step 4: Simplify right side
    525,527.75x = 205,827,235,691.54
  5. Step 5: Solve for x
    x = 205,827,235,691.54/525,527.75
  6. Step 6: Final answer
    x = 391,658.17

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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.