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Finding the Fourth Proportional to 527,362.45, 790,807.15 and 314,230.79

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Solution

The fourth proportional to 527,362.45, 790,807.15 and 314,230.79 is: 471,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,362.45 : 790,807.15 = 314,230.79 : x
  2. Step 2: Convert to fraction form
    527,362.45/790,807.15 = 314,230.79/x
  3. Step 3: Cross multiply
    527,362.45x = 790,807.15 × 314,230.79
  4. Step 4: Simplify right side
    527,362.45x = 248,495,957,851.96
  5. Step 5: Solve for x
    x = 248,495,957,851.96/527,362.45
  6. Step 6: Final answer
    x = 471,205.26

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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.