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Finding the Fourth Proportional to 375,248.32, 517,837.44 and 205,482.40

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Solution

The fourth proportional to 375,248.32, 517,837.44 and 205,482.40 is: 283,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,248.32 : 517,837.44 = 205,482.40 : x
  2. Step 2: Convert to fraction form
    375,248.32/517,837.44 = 205,482.40/x
  3. Step 3: Cross multiply
    375,248.32x = 517,837.44 × 205,482.40
  4. Step 4: Simplify right side
    375,248.32x = 106,406,479,981.06
  5. Step 5: Solve for x
    x = 106,406,479,981.06/375,248.32
  6. Step 6: Final answer
    x = 283,562.84

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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.