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Finding the Fourth Proportional to 527,656.40, 789,592.68 and 456,822.68

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Solution

The fourth proportional to 527,656.40, 789,592.68 and 456,822.68 is: 683,596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,656.40 : 789,592.68 = 456,822.68 : x
  2. Step 2: Convert to fraction form
    527,656.40/789,592.68 = 456,822.68/x
  3. Step 3: Cross multiply
    527,656.40x = 789,592.68 × 456,822.68
  4. Step 4: Simplify right side
    527,656.40x = 360,703,844,185.98
  5. Step 5: Solve for x
    x = 360,703,844,185.98/527,656.40
  6. Step 6: Final answer
    x = 683,596.08

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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.