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Finding the Fourth Proportional to 575,771.10, 794,561.49 and 317,641.02

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Solution

The fourth proportional to 575,771.10, 794,561.49 and 317,641.02 is: 438,343.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,771.10 : 794,561.49 = 317,641.02 : x
  2. Step 2: Convert to fraction form
    575,771.10/794,561.49 = 317,641.02/x
  3. Step 3: Cross multiply
    575,771.10x = 794,561.49 × 317,641.02
  4. Step 4: Simplify right side
    575,771.10x = 252,385,322,136.32
  5. Step 5: Solve for x
    x = 252,385,322,136.32/575,771.10
  6. Step 6: Final answer
    x = 438,343.16

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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.