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Finding the Fourth Proportional to 260,508.51, 359,521.06 and 145,798.65

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Solution

The fourth proportional to 260,508.51, 359,521.06 and 145,798.65 is: 201,212.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,508.51 : 359,521.06 = 145,798.65 : x
  2. Step 2: Convert to fraction form
    260,508.51/359,521.06 = 145,798.65/x
  3. Step 3: Cross multiply
    260,508.51x = 359,521.06 × 145,798.65
  4. Step 4: Simplify right side
    260,508.51x = 52,417,685,194.57
  5. Step 5: Solve for x
    x = 52,417,685,194.57/260,508.51
  6. Step 6: Final answer
    x = 201,212.95

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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.