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Finding the Fourth Proportional to 587,058.80, 879,551.40 and 365,183.60

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Solution

The fourth proportional to 587,058.80, 879,551.40 and 365,183.60 is: 547,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,058.80 : 879,551.40 = 365,183.60 : x
  2. Step 2: Convert to fraction form
    587,058.80/879,551.40 = 365,183.60/x
  3. Step 3: Cross multiply
    587,058.80x = 879,551.40 × 365,183.60
  4. Step 4: Simplify right side
    587,058.80x = 321,197,746,637.04
  5. Step 5: Solve for x
    x = 321,197,746,637.04/587,058.80
  6. Step 6: Final answer
    x = 547,130.45

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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.