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Finding the Fourth Proportional to 652,074.40, 978,111.60 and 600,752.80

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Solution

The fourth proportional to 652,074.40, 978,111.60 and 600,752.80 is: 901,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,074.40 : 978,111.60 = 600,752.80 : x
  2. Step 2: Convert to fraction form
    652,074.40/978,111.60 = 600,752.80/x
  3. Step 3: Cross multiply
    652,074.40x = 978,111.60 × 600,752.80
  4. Step 4: Simplify right side
    652,074.40x = 587,603,282,412.48
  5. Step 5: Solve for x
    x = 587,603,282,412.48/652,074.40
  6. Step 6: Final answer
    x = 901,129.20

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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.