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Finding the Fourth Proportional to 335,088.70, 502,341.45 and 202,021.90

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Solution

The fourth proportional to 335,088.70, 502,341.45 and 202,021.90 is: 302,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,088.70 : 502,341.45 = 202,021.90 : x
  2. Step 2: Convert to fraction form
    335,088.70/502,341.45 = 202,021.90/x
  3. Step 3: Cross multiply
    335,088.70x = 502,341.45 × 202,021.90
  4. Step 4: Simplify right side
    335,088.70x = 101,483,974,177.76
  5. Step 5: Solve for x
    x = 101,483,974,177.76/335,088.70
  6. Step 6: Final answer
    x = 302,857.05

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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.