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Finding the Fourth Proportional to 575,776.69, 794,567.39 and 317,664.52

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Solution

The fourth proportional to 575,776.69, 794,567.39 and 317,664.52 is: 438,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,776.69 : 794,567.39 = 317,664.52 : x
  2. Step 2: Convert to fraction form
    575,776.69/794,567.39 = 317,664.52/x
  3. Step 3: Cross multiply
    575,776.69x = 794,567.39 × 317,664.52
  4. Step 4: Simplify right side
    575,776.69x = 252,405,864,977.26
  5. Step 5: Solve for x
    x = 252,405,864,977.26/575,776.69
  6. Step 6: Final answer
    x = 438,374.58

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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.