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Finding the Fourth Proportional to 375,718, 518,543.88 and 232,524.16

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Solution

The fourth proportional to 375,718, 518,543.88 and 232,524.16 is: 320,916.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,718 : 518,543.88 = 232,524.16 : x
  2. Step 2: Convert to fraction form
    375,718/518,543.88 = 232,524.16/x
  3. Step 3: Cross multiply
    375,718x = 518,543.88 × 232,524.16
  4. Step 4: Simplify right side
    375,718x = 120,573,980,120.14
  5. Step 5: Solve for x
    x = 120,573,980,120.14/375,718
  6. Step 6: Final answer
    x = 320,916.17

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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.