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Finding the Fourth Proportional to 533,566.70, 736,385.55 and 307,256.30

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Solution

The fourth proportional to 533,566.70, 736,385.55 and 307,256.30 is: 424,050.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,566.70 : 736,385.55 = 307,256.30 : x
  2. Step 2: Convert to fraction form
    533,566.70/736,385.55 = 307,256.30/x
  3. Step 3: Cross multiply
    533,566.70x = 736,385.55 × 307,256.30
  4. Step 4: Simplify right side
    533,566.70x = 226,259,099,466.47
  5. Step 5: Solve for x
    x = 226,259,099,466.47/533,566.70
  6. Step 6: Final answer
    x = 424,050.26

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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.