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Finding the Fourth Proportional to 517,817.92, 714,808.96 and 348,150.40

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Solution

The fourth proportional to 517,817.92, 714,808.96 and 348,150.40 is: 480,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,817.92 : 714,808.96 = 348,150.40 : x
  2. Step 2: Convert to fraction form
    517,817.92/714,808.96 = 348,150.40/x
  3. Step 3: Cross multiply
    517,817.92x = 714,808.96 × 348,150.40
  4. Step 4: Simplify right side
    517,817.92x = 248,861,025,347.58
  5. Step 5: Solve for x
    x = 248,861,025,347.58/517,817.92
  6. Step 6: Final answer
    x = 480,595.62

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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.