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Finding the Fourth Proportional to 370,015.65, 554,859.45 and 170,233.20

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Solution

The fourth proportional to 370,015.65, 554,859.45 and 170,233.20 is: 255,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,015.65 : 554,859.45 = 170,233.20 : x
  2. Step 2: Convert to fraction form
    370,015.65/554,859.45 = 170,233.20/x
  3. Step 3: Cross multiply
    370,015.65x = 554,859.45 × 170,233.20
  4. Step 4: Simplify right side
    370,015.65x = 94,455,499,723.74
  5. Step 5: Solve for x
    x = 94,455,499,723.74/370,015.65
  6. Step 6: Final answer
    x = 255,274.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.