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Finding the Fourth Proportional to 531,339.66, 732,733.60 and 337,405.30

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Solution

The fourth proportional to 531,339.66, 732,733.60 and 337,405.30 is: 465,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,339.66 : 732,733.60 = 337,405.30 : x
  2. Step 2: Convert to fraction form
    531,339.66/732,733.60 = 337,405.30/x
  3. Step 3: Cross multiply
    531,339.66x = 732,733.60 × 337,405.30
  4. Step 4: Simplify right side
    531,339.66x = 247,228,200,128.08
  5. Step 5: Solve for x
    x = 247,228,200,128.08/531,339.66
  6. Step 6: Final answer
    x = 465,292.20

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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.