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Finding the Fourth Proportional to 652,032.60, 978,048.90 and 540,058.20

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Solution

The fourth proportional to 652,032.60, 978,048.90 and 540,058.20 is: 810,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,032.60 : 978,048.90 = 540,058.20 : x
  2. Step 2: Convert to fraction form
    652,032.60/978,048.90 = 540,058.20/x
  3. Step 3: Cross multiply
    652,032.60x = 978,048.90 × 540,058.20
  4. Step 4: Simplify right side
    652,032.60x = 528,203,328,445.98
  5. Step 5: Solve for x
    x = 528,203,328,445.98/652,032.60
  6. Step 6: Final answer
    x = 810,087.30

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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.