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Finding the Fourth Proportional to 440,315.19, 660,264.59 and 170,569.67

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Solution

The fourth proportional to 440,315.19, 660,264.59 and 170,569.67 is: 255,773.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,315.19 : 660,264.59 = 170,569.67 : x
  2. Step 2: Convert to fraction form
    440,315.19/660,264.59 = 170,569.67/x
  3. Step 3: Cross multiply
    440,315.19x = 660,264.59 × 170,569.67
  4. Step 4: Simplify right side
    440,315.19x = 112,621,109,074.81
  5. Step 5: Solve for x
    x = 112,621,109,074.81/440,315.19
  6. Step 6: Final answer
    x = 255,773.84

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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.