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Finding the Fourth Proportional to 527,370.54, 727,901.55 and 301,147.26

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Solution

The fourth proportional to 527,370.54, 727,901.55 and 301,147.26 is: 415,657.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,370.54 : 727,901.55 = 301,147.26 : x
  2. Step 2: Convert to fraction form
    527,370.54/727,901.55 = 301,147.26/x
  3. Step 3: Cross multiply
    527,370.54x = 727,901.55 × 301,147.26
  4. Step 4: Simplify right side
    527,370.54x = 219,205,557,332.25
  5. Step 5: Solve for x
    x = 219,205,557,332.25/527,370.54
  6. Step 6: Final answer
    x = 415,657.57

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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.