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Finding the Fourth Proportional to 255,506.16, 352,520.46 and 148,055.46

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Solution

The fourth proportional to 255,506.16, 352,520.46 and 148,055.46 is: 204,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,506.16 : 352,520.46 = 148,055.46 : x
  2. Step 2: Convert to fraction form
    255,506.16/352,520.46 = 148,055.46/x
  3. Step 3: Cross multiply
    255,506.16x = 352,520.46 × 148,055.46
  4. Step 4: Simplify right side
    255,506.16x = 52,192,578,864.71
  5. Step 5: Solve for x
    x = 52,192,578,864.71/255,506.16
  6. Step 6: Final answer
    x = 204,271.31

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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.