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Finding the Fourth Proportional to 649,341.82, 974,012.74 and 176,014.88

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Solution

The fourth proportional to 649,341.82, 974,012.74 and 176,014.88 is: 264,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,341.82 : 974,012.74 = 176,014.88 : x
  2. Step 2: Convert to fraction form
    649,341.82/974,012.74 = 176,014.88/x
  3. Step 3: Cross multiply
    649,341.82x = 974,012.74 × 176,014.88
  4. Step 4: Simplify right side
    649,341.82x = 171,440,735,549.57
  5. Step 5: Solve for x
    x = 171,440,735,549.57/649,341.82
  6. Step 6: Final answer
    x = 264,022.32

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Double scale
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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.