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Finding the Fourth Proportional to 317,804.53, 438,577.82 and 174,567.57

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Solution

The fourth proportional to 317,804.53, 438,577.82 and 174,567.57 is: 240,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,804.53 : 438,577.82 = 174,567.57 : x
  2. Step 2: Convert to fraction form
    317,804.53/438,577.82 = 174,567.57/x
  3. Step 3: Cross multiply
    317,804.53x = 438,577.82 × 174,567.57
  4. Step 4: Simplify right side
    317,804.53x = 76,561,464,293.30
  5. Step 5: Solve for x
    x = 76,561,464,293.30/317,804.53
  6. Step 6: Final answer
    x = 240,907.40

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1.5x scale

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.