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Finding the Fourth Proportional to 527,301.37, 727,675.64 and 285,583.93

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Solution

The fourth proportional to 527,301.37, 727,675.64 and 285,583.93 is: 394,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,301.37 : 727,675.64 = 285,583.93 : x
  2. Step 2: Convert to fraction form
    527,301.37/727,675.64 = 285,583.93/x
  3. Step 3: Cross multiply
    527,301.37x = 727,675.64 × 285,583.93
  4. Step 4: Simplify right side
    527,301.37x = 207,812,463,970.17
  5. Step 5: Solve for x
    x = 207,812,463,970.17/527,301.37
  6. Step 6: Final answer
    x = 394,105.68

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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.