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Finding the Fourth Proportional to 649,758.40, 973,341.60 and 571,825.60

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Solution

The fourth proportional to 649,758.40, 973,341.60 and 571,825.60 is: 856,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,758.40 : 973,341.60 = 571,825.60 : x
  2. Step 2: Convert to fraction form
    649,758.40/973,341.60 = 571,825.60/x
  3. Step 3: Cross multiply
    649,758.40x = 973,341.60 × 571,825.60
  4. Step 4: Simplify right side
    649,758.40x = 556,581,644,424.96
  5. Step 5: Solve for x
    x = 556,581,644,424.96/649,758.40
  6. Step 6: Final answer
    x = 856,597.84

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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.