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Finding the Fourth Proportional to 615,098.10, 922,647.15 and 171,866.10

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Solution

The fourth proportional to 615,098.10, 922,647.15 and 171,866.10 is: 257,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,098.10 : 922,647.15 = 171,866.10 : x
  2. Step 2: Convert to fraction form
    615,098.10/922,647.15 = 171,866.10/x
  3. Step 3: Cross multiply
    615,098.10x = 922,647.15 × 171,866.10
  4. Step 4: Simplify right side
    615,098.10x = 158,571,767,346.62
  5. Step 5: Solve for x
    x = 158,571,767,346.62/615,098.10
  6. Step 6: Final answer
    x = 257,799.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.