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Finding the Fourth Proportional to 313,767.66, 432,999.36 and 170,528.04

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Solution

The fourth proportional to 313,767.66, 432,999.36 and 170,528.04 is: 235,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,767.66 : 432,999.36 = 170,528.04 : x
  2. Step 2: Convert to fraction form
    313,767.66/432,999.36 = 170,528.04/x
  3. Step 3: Cross multiply
    313,767.66x = 432,999.36 × 170,528.04
  4. Step 4: Simplify right side
    313,767.66x = 73,838,532,182.05
  5. Step 5: Solve for x
    x = 73,838,532,182.05/313,767.66
  6. Step 6: Final answer
    x = 235,328.69

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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.