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Finding the Fourth Proportional to 615,200.10, 922,800.15 and 282,776.10

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Solution

The fourth proportional to 615,200.10, 922,800.15 and 282,776.10 is: 424,164.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,200.10 : 922,800.15 = 282,776.10 : x
  2. Step 2: Convert to fraction form
    615,200.10/922,800.15 = 282,776.10/x
  3. Step 3: Cross multiply
    615,200.10x = 922,800.15 × 282,776.10
  4. Step 4: Simplify right side
    615,200.10x = 260,945,827,496.42
  5. Step 5: Solve for x
    x = 260,945,827,496.42/615,200.10
  6. Step 6: Final answer
    x = 424,164.15

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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.