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Finding the Fourth Proportional to 652,857.80, 978,120.30 and 559,545.80

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Solution

The fourth proportional to 652,857.80, 978,120.30 and 559,545.80 is: 838,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,857.80 : 978,120.30 = 559,545.80 : x
  2. Step 2: Convert to fraction form
    652,857.80/978,120.30 = 559,545.80/x
  3. Step 3: Cross multiply
    652,857.80x = 978,120.30 × 559,545.80
  4. Step 4: Simplify right side
    652,857.80x = 547,303,105,759.74
  5. Step 5: Solve for x
    x = 547,303,105,759.74/652,857.80
  6. Step 6: Final answer
    x = 838,319.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.