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Finding the Fourth Proportional to 609,271.64, 840,821.12 and 337,339.52

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Solution

The fourth proportional to 609,271.64, 840,821.12 and 337,339.52 is: 465,543.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,271.64 : 840,821.12 = 337,339.52 : x
  2. Step 2: Convert to fraction form
    609,271.64/840,821.12 = 337,339.52/x
  3. Step 3: Cross multiply
    609,271.64x = 840,821.12 × 337,339.52
  4. Step 4: Simplify right side
    609,271.64x = 283,642,193,026.66
  5. Step 5: Solve for x
    x = 283,642,193,026.66/609,271.64
  6. Step 6: Final answer
    x = 465,543.08

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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.