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Finding the Fourth Proportional to 649,303.76, 895,972.68 and 445,529.36

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Solution

The fourth proportional to 649,303.76, 895,972.68 and 445,529.36 is: 614,784.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,303.76 : 895,972.68 = 445,529.36 : x
  2. Step 2: Convert to fraction form
    649,303.76/895,972.68 = 445,529.36/x
  3. Step 3: Cross multiply
    649,303.76x = 895,972.68 × 445,529.36
  4. Step 4: Simplify right side
    649,303.76x = 399,182,134,697.89
  5. Step 5: Solve for x
    x = 399,182,134,697.89/649,303.76
  6. Step 6: Final answer
    x = 614,784.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.