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Finding the Fourth Proportional to 436,044.30, 654,066.45 and 310,073.10

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Solution

The fourth proportional to 436,044.30, 654,066.45 and 310,073.10 is: 465,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,044.30 : 654,066.45 = 310,073.10 : x
  2. Step 2: Convert to fraction form
    436,044.30/654,066.45 = 310,073.10/x
  3. Step 3: Cross multiply
    436,044.30x = 654,066.45 × 310,073.10
  4. Step 4: Simplify right side
    436,044.30x = 202,808,411,757.50
  5. Step 5: Solve for x
    x = 202,808,411,757.50/436,044.30
  6. Step 6: Final answer
    x = 465,109.65

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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.