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Finding the Fourth Proportional to 525,562.67, 725,228.91 and 296,157.31

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Solution

The fourth proportional to 525,562.67, 725,228.91 and 296,157.31 is: 408,670.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,562.67 : 725,228.91 = 296,157.31 : x
  2. Step 2: Convert to fraction form
    525,562.67/725,228.91 = 296,157.31/x
  3. Step 3: Cross multiply
    525,562.67x = 725,228.91 × 296,157.31
  4. Step 4: Simplify right side
    525,562.67x = 214,781,841,306.76
  5. Step 5: Solve for x
    x = 214,781,841,306.76/525,562.67
  6. Step 6: Final answer
    x = 408,670.27

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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.