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Finding the Fourth Proportional to 545,071.54, 752,233.98 and 303,353.32

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Solution

The fourth proportional to 545,071.54, 752,233.98 and 303,353.32 is: 418,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,071.54 : 752,233.98 = 303,353.32 : x
  2. Step 2: Convert to fraction form
    545,071.54/752,233.98 = 303,353.32/x
  3. Step 3: Cross multiply
    545,071.54x = 752,233.98 × 303,353.32
  4. Step 4: Simplify right side
    545,071.54x = 228,192,675,249.81
  5. Step 5: Solve for x
    x = 228,192,675,249.81/545,071.54
  6. Step 6: Final answer
    x = 418,647.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.