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Finding the Fourth Proportional to 575,372.61, 794,020.41 and 317,250.05

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Solution

The fourth proportional to 575,372.61, 794,020.41 and 317,250.05 is: 437,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,372.61 : 794,020.41 = 317,250.05 : x
  2. Step 2: Convert to fraction form
    575,372.61/794,020.41 = 317,250.05/x
  3. Step 3: Cross multiply
    575,372.61x = 794,020.41 × 317,250.05
  4. Step 4: Simplify right side
    575,372.61x = 251,903,010,803.42
  5. Step 5: Solve for x
    x = 251,903,010,803.42/575,372.61
  6. Step 6: Final answer
    x = 437,808.49

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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.