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Finding the Fourth Proportional to 298,069.02, 411,190.71 and 177,124.74

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Solution

The fourth proportional to 298,069.02, 411,190.71 and 177,124.74 is: 244,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,069.02 : 411,190.71 = 177,124.74 : x
  2. Step 2: Convert to fraction form
    298,069.02/411,190.71 = 177,124.74/x
  3. Step 3: Cross multiply
    298,069.02x = 411,190.71 × 177,124.74
  4. Step 4: Simplify right side
    298,069.02x = 72,832,047,599.17
  5. Step 5: Solve for x
    x = 72,832,047,599.17/298,069.02
  6. Step 6: Final answer
    x = 244,346.25

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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.