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Finding the Fourth Proportional to 527,608.45, 791,412.99 and 370,538.11

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Solution

The fourth proportional to 527,608.45, 791,412.99 and 370,538.11 is: 555,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,608.45 : 791,412.99 = 370,538.11 : x
  2. Step 2: Convert to fraction form
    527,608.45/791,412.99 = 370,538.11/x
  3. Step 3: Cross multiply
    527,608.45x = 791,412.99 × 370,538.11
  4. Step 4: Simplify right side
    527,608.45x = 293,248,673,143.80
  5. Step 5: Solve for x
    x = 293,248,673,143.80/527,608.45
  6. Step 6: Final answer
    x = 555,807.38

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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.