Home / 352,274.65-528,430.41-268,166.72

Finding the Fourth Proportional to 352,274.65, 528,430.41 and 268,166.72

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Solution

The fourth proportional to 352,274.65, 528,430.41 and 268,166.72 is: 402,264.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,274.65 : 528,430.41 = 268,166.72 : x
  2. Step 2: Convert to fraction form
    352,274.65/528,430.41 = 268,166.72/x
  3. Step 3: Cross multiply
    352,274.65x = 528,430.41 × 268,166.72
  4. Step 4: Simplify right side
    352,274.65x = 141,707,451,119.03
  5. Step 5: Solve for x
    x = 141,707,451,119.03/352,274.65
  6. Step 6: Final answer
    x = 402,264.12

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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.