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Finding the Fourth Proportional to 563,937.60, 845,906.40 and 405,825.60

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Solution

The fourth proportional to 563,937.60, 845,906.40 and 405,825.60 is: 608,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,937.60 : 845,906.40 = 405,825.60 : x
  2. Step 2: Convert to fraction form
    563,937.60/845,906.40 = 405,825.60/x
  3. Step 3: Cross multiply
    563,937.60x = 845,906.40 × 405,825.60
  4. Step 4: Simplify right side
    563,937.60x = 343,290,472,323.84
  5. Step 5: Solve for x
    x = 343,290,472,323.84/563,937.60
  6. Step 6: Final answer
    x = 608,738.40

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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.