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Finding the Fourth Proportional to 533,577.20, 736,400.04 and 307,266.80

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Solution

The fourth proportional to 533,577.20, 736,400.04 and 307,266.80 is: 424,064.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,577.20 : 736,400.04 = 307,266.80 : x
  2. Step 2: Convert to fraction form
    533,577.20/736,400.04 = 307,266.80/x
  3. Step 3: Cross multiply
    533,577.20x = 736,400.04 × 307,266.80
  4. Step 4: Simplify right side
    533,577.20x = 226,271,283,810.67
  5. Step 5: Solve for x
    x = 226,271,283,810.67/533,577.20
  6. Step 6: Final answer
    x = 424,064.75

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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.