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Finding the Fourth Proportional to 533,348.55, 736,088.72 and 303,988.28

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Solution

The fourth proportional to 533,348.55, 736,088.72 and 303,988.28 is: 419,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,348.55 : 736,088.72 = 303,988.28 : x
  2. Step 2: Convert to fraction form
    533,348.55/736,088.72 = 303,988.28/x
  3. Step 3: Cross multiply
    533,348.55x = 736,088.72 × 303,988.28
  4. Step 4: Simplify right side
    533,348.55x = 223,762,338,719.82
  5. Step 5: Solve for x
    x = 223,762,338,719.82/533,348.55
  6. Step 6: Final answer
    x = 419,542.42

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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.