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Finding the Fourth Proportional to 259,510.71, 358,124.18 and 146,332.65

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Solution

The fourth proportional to 259,510.71, 358,124.18 and 146,332.65 is: 201,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,510.71 : 358,124.18 = 146,332.65 : x
  2. Step 2: Convert to fraction form
    259,510.71/358,124.18 = 146,332.65/x
  3. Step 3: Cross multiply
    259,510.71x = 358,124.18 × 146,332.65
  4. Step 4: Simplify right side
    259,510.71x = 52,405,259,556.81
  5. Step 5: Solve for x
    x = 52,405,259,556.81/259,510.71
  6. Step 6: Final answer
    x = 201,938.72

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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.