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Finding the Fourth Proportional to 615,098.75, 848,836.82 and 343,166.72

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Solution

The fourth proportional to 615,098.75, 848,836.82 and 343,166.72 is: 473,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,098.75 : 848,836.82 = 343,166.72 : x
  2. Step 2: Convert to fraction form
    615,098.75/848,836.82 = 343,166.72/x
  3. Step 3: Cross multiply
    615,098.75x = 848,836.82 × 343,166.72
  4. Step 4: Simplify right side
    615,098.75x = 291,292,541,374.61
  5. Step 5: Solve for x
    x = 291,292,541,374.61/615,098.75
  6. Step 6: Final answer
    x = 473,570.37

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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.