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Finding the Fourth Proportional to 621,885.60, 933,058.80 and 598,845.60

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Solution

The fourth proportional to 621,885.60, 933,058.80 and 598,845.60 is: 898,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,885.60 : 933,058.80 = 598,845.60 : x
  2. Step 2: Convert to fraction form
    621,885.60/933,058.80 = 598,845.60/x
  3. Step 3: Cross multiply
    621,885.60x = 933,058.80 × 598,845.60
  4. Step 4: Simplify right side
    621,885.60x = 558,758,156,921.28
  5. Step 5: Solve for x
    x = 558,758,156,921.28/621,885.60
  6. Step 6: Final answer
    x = 898,490.26

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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.