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Finding the Fourth Proportional to 545,196.40, 752,393.13 and 303,463.64

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Solution

The fourth proportional to 545,196.40, 752,393.13 and 303,463.64 is: 418,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,196.40 : 752,393.13 = 303,463.64 : x
  2. Step 2: Convert to fraction form
    545,196.40/752,393.13 = 303,463.64/x
  3. Step 3: Cross multiply
    545,196.40x = 752,393.13 × 303,463.64
  4. Step 4: Simplify right side
    545,196.40x = 228,323,957,940.79
  5. Step 5: Solve for x
    x = 228,323,957,940.79/545,196.40
  6. Step 6: Final answer
    x = 418,792.12

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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.