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Finding the Fourth Proportional to 652,110.60, 978,165.90 and 368,675.40

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Solution

The fourth proportional to 652,110.60, 978,165.90 and 368,675.40 is: 553,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,110.60 : 978,165.90 = 368,675.40 : x
  2. Step 2: Convert to fraction form
    652,110.60/978,165.90 = 368,675.40/x
  3. Step 3: Cross multiply
    652,110.60x = 978,165.90 × 368,675.40
  4. Step 4: Simplify right side
    652,110.60x = 360,625,704,448.86
  5. Step 5: Solve for x
    x = 360,625,704,448.86/652,110.60
  6. Step 6: Final answer
    x = 553,013.10

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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.