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Finding the Fourth Proportional to 375,020.08, 517,529.10 and 202,938.06

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Solution

The fourth proportional to 375,020.08, 517,529.10 and 202,938.06 is: 280,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,020.08 : 517,529.10 = 202,938.06 : x
  2. Step 2: Convert to fraction form
    375,020.08/517,529.10 = 202,938.06/x
  3. Step 3: Cross multiply
    375,020.08x = 517,529.10 × 202,938.06
  4. Step 4: Simplify right side
    375,020.08x = 105,026,351,547.55
  5. Step 5: Solve for x
    x = 105,026,351,547.55/375,020.08
  6. Step 6: Final answer
    x = 280,055.27

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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.