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Finding the Fourth Proportional to 527,459.82, 791,211.54 and 153,482.82

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Solution

The fourth proportional to 527,459.82, 791,211.54 and 153,482.82 is: 230,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,459.82 : 791,211.54 = 153,482.82 : x
  2. Step 2: Convert to fraction form
    527,459.82/791,211.54 = 153,482.82/x
  3. Step 3: Cross multiply
    527,459.82x = 791,211.54 × 153,482.82
  4. Step 4: Simplify right side
    527,459.82x = 121,437,378,375.74
  5. Step 5: Solve for x
    x = 121,437,378,375.74/527,459.82
  6. Step 6: Final answer
    x = 230,230.58

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1.5x scale

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.