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Finding the Fourth Proportional to 613,254.60, 918,132.30 and 377,058.60

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Solution

The fourth proportional to 613,254.60, 918,132.30 and 377,058.60 is: 564,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,254.60 : 918,132.30 = 377,058.60 : x
  2. Step 2: Convert to fraction form
    613,254.60/918,132.30 = 377,058.60/x
  3. Step 3: Cross multiply
    613,254.60x = 918,132.30 × 377,058.60
  4. Step 4: Simplify right side
    613,254.60x = 346,189,679,652.78
  5. Step 5: Solve for x
    x = 346,189,679,652.78/613,254.60
  6. Step 6: Final answer
    x = 564,512.16

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1.5x scale

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.