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Finding the Fourth Proportional to 527,459.25, 791,320.10 and 153,482.25

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Solution

The fourth proportional to 527,459.25, 791,320.10 and 153,482.25 is: 230,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,459.25 : 791,320.10 = 153,482.25 : x
  2. Step 2: Convert to fraction form
    527,459.25/791,320.10 = 153,482.25/x
  3. Step 3: Cross multiply
    527,459.25x = 791,320.10 × 153,482.25
  4. Step 4: Simplify right side
    527,459.25x = 121,453,588,650.81
  5. Step 5: Solve for x
    x = 121,453,588,650.81/527,459.25
  6. Step 6: Final answer
    x = 230,261.56

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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.