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Finding the Fourth Proportional to 359,215.56, 495,202.51 and 282,601.79

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Solution

The fourth proportional to 359,215.56, 495,202.51 and 282,601.79 is: 389,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,215.56 : 495,202.51 = 282,601.79 : x
  2. Step 2: Convert to fraction form
    359,215.56/495,202.51 = 282,601.79/x
  3. Step 3: Cross multiply
    359,215.56x = 495,202.51 × 282,601.79
  4. Step 4: Simplify right side
    359,215.56x = 139,945,118,258.26
  5. Step 5: Solve for x
    x = 139,945,118,258.26/359,215.56
  6. Step 6: Final answer
    x = 389,585.35

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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.