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Finding the Fourth Proportional to 875,177.85, 1,312,018 and 335,821.19

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Solution

The fourth proportional to 875,177.85, 1,312,018 and 335,821.19 is: 503,444.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,177.85 : 1,312,018 = 335,821.19 : x
  2. Step 2: Convert to fraction form
    875,177.85/1,312,018 = 335,821.19/x
  3. Step 3: Cross multiply
    875,177.85x = 1,312,018 × 335,821.19
  4. Step 4: Simplify right side
    875,177.85x = 440,603,446,061.42
  5. Step 5: Solve for x
    x = 440,603,446,061.42/875,177.85
  6. Step 6: Final answer
    x = 503,444.47

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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.