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Finding the Fourth Proportional to 330,258.66, 495,552.01 and 130,722.24

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Solution

The fourth proportional to 330,258.66, 495,552.01 and 130,722.24 is: 196,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,258.66 : 495,552.01 = 130,722.24 : x
  2. Step 2: Convert to fraction form
    330,258.66/495,552.01 = 130,722.24/x
  3. Step 3: Cross multiply
    330,258.66x = 495,552.01 × 130,722.24
  4. Step 4: Simplify right side
    330,258.66x = 64,779,668,783.70
  5. Step 5: Solve for x
    x = 64,779,668,783.70/330,258.66
  6. Step 6: Final answer
    x = 196,148.28

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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.