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Finding the Fourth Proportional to 250,214.64, 375,279.66 and 70,258.80

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Solution

The fourth proportional to 250,214.64, 375,279.66 and 70,258.80 is: 105,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,214.64 : 375,279.66 = 70,258.80 : x
  2. Step 2: Convert to fraction form
    250,214.64/375,279.66 = 70,258.80/x
  3. Step 3: Cross multiply
    250,214.64x = 375,279.66 × 70,258.80
  4. Step 4: Simplify right side
    250,214.64x = 26,366,698,576.01
  5. Step 5: Solve for x
    x = 26,366,698,576.01/250,214.64
  6. Step 6: Final answer
    x = 105,376.32

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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.