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Finding the Fourth Proportional to 533,756.60, 736,405.26 and 307,397.24

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Solution

The fourth proportional to 533,756.60, 736,405.26 and 307,397.24 is: 424,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,756.60 : 736,405.26 = 307,397.24 : x
  2. Step 2: Convert to fraction form
    533,756.60/736,405.26 = 307,397.24/x
  3. Step 3: Cross multiply
    533,756.60x = 736,405.26 × 307,397.24
  4. Step 4: Simplify right side
    533,756.60x = 226,368,944,445.48
  5. Step 5: Solve for x
    x = 226,368,944,445.48/533,756.60
  6. Step 6: Final answer
    x = 424,105.19

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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.