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Finding the Fourth Proportional to 255,436.74, 352,579.03 and 148,055.04

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Solution

The fourth proportional to 255,436.74, 352,579.03 and 148,055.04 is: 204,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,436.74 : 352,579.03 = 148,055.04 : x
  2. Step 2: Convert to fraction form
    255,436.74/352,579.03 = 148,055.04/x
  3. Step 3: Cross multiply
    255,436.74x = 352,579.03 × 148,055.04
  4. Step 4: Simplify right side
    255,436.74x = 52,201,102,019.67
  5. Step 5: Solve for x
    x = 52,201,102,019.67/255,436.74
  6. Step 6: Final answer
    x = 204,360.20

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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.