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Finding the Fourth Proportional to 473,317.44, 653,010.72 and 303,643.20

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Solution

The fourth proportional to 473,317.44, 653,010.72 and 303,643.20 is: 418,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,317.44 : 653,010.72 = 303,643.20 : x
  2. Step 2: Convert to fraction form
    473,317.44/653,010.72 = 303,643.20/x
  3. Step 3: Cross multiply
    473,317.44x = 653,010.72 × 303,643.20
  4. Step 4: Simplify right side
    473,317.44x = 198,282,264,655.10
  5. Step 5: Solve for x
    x = 198,282,264,655.10/473,317.44
  6. Step 6: Final answer
    x = 418,920.26

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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.