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Finding the Fourth Proportional to 366,956.10, 550,434.15 and 266,904.90

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Solution

The fourth proportional to 366,956.10, 550,434.15 and 266,904.90 is: 400,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,956.10 : 550,434.15 = 266,904.90 : x
  2. Step 2: Convert to fraction form
    366,956.10/550,434.15 = 266,904.90/x
  3. Step 3: Cross multiply
    366,956.10x = 550,434.15 × 266,904.90
  4. Step 4: Simplify right side
    366,956.10x = 146,913,571,762.34
  5. Step 5: Solve for x
    x = 146,913,571,762.34/366,956.10
  6. Step 6: Final answer
    x = 400,357.35

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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.