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Finding the Fourth Proportional to 527,365.05, 790,742.88 and 464,311.68

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Solution

The fourth proportional to 527,365.05, 790,742.88 and 464,311.68 is: 696,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,365.05 : 790,742.88 = 464,311.68 : x
  2. Step 2: Convert to fraction form
    527,365.05/790,742.88 = 464,311.68/x
  3. Step 3: Cross multiply
    527,365.05x = 790,742.88 × 464,311.68
  4. Step 4: Simplify right side
    527,365.05x = 367,151,155,060.84
  5. Step 5: Solve for x
    x = 367,151,155,060.84/527,365.05
  6. Step 6: Final answer
    x = 696,199.26

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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.