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Finding the Fourth Proportional to 545,892.60, 818,863.20 and 186,058.20

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Solution

The fourth proportional to 545,892.60, 818,863.20 and 186,058.20 is: 279,095.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,892.60 : 818,863.20 = 186,058.20 : x
  2. Step 2: Convert to fraction form
    545,892.60/818,863.20 = 186,058.20/x
  3. Step 3: Cross multiply
    545,892.60x = 818,863.20 × 186,058.20
  4. Step 4: Simplify right side
    545,892.60x = 152,356,213,038.24
  5. Step 5: Solve for x
    x = 152,356,213,038.24/545,892.60
  6. Step 6: Final answer
    x = 279,095.58

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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.