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Finding the Fourth Proportional to 477,392.36, 716,088.30 and 227,316.20

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Solution

The fourth proportional to 477,392.36, 716,088.30 and 227,316.20 is: 340,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,392.36 : 716,088.30 = 227,316.20 : x
  2. Step 2: Convert to fraction form
    477,392.36/716,088.30 = 227,316.20/x
  3. Step 3: Cross multiply
    477,392.36x = 716,088.30 × 227,316.20
  4. Step 4: Simplify right side
    477,392.36x = 162,778,471,220.46
  5. Step 5: Solve for x
    x = 162,778,471,220.46/477,392.36
  6. Step 6: Final answer
    x = 340,974.19

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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.