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Finding the Fourth Proportional to 533,552.80, 736,326.46 and 307,271.20

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Solution

The fourth proportional to 533,552.80, 736,326.46 and 307,271.20 is: 424,047.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,552.80 : 736,326.46 = 307,271.20 : x
  2. Step 2: Convert to fraction form
    533,552.80/736,326.46 = 307,271.20/x
  3. Step 3: Cross multiply
    533,552.80x = 736,326.46 × 307,271.20
  4. Step 4: Simplify right side
    533,552.80x = 226,251,914,955.95
  5. Step 5: Solve for x
    x = 226,251,914,955.95/533,552.80
  6. Step 6: Final answer
    x = 424,047.84

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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.