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Finding the Fourth Proportional to 317,435.83, 438,074.07 and 174,201.00

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Solution

The fourth proportional to 317,435.83, 438,074.07 and 174,201.00 is: 240,404.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,435.83 : 438,074.07 = 174,201.00 : x
  2. Step 2: Convert to fraction form
    317,435.83/438,074.07 = 174,201.00/x
  3. Step 3: Cross multiply
    317,435.83x = 438,074.07 × 174,201.00
  4. Step 4: Simplify right side
    317,435.83x = 76,312,939,751.92
  5. Step 5: Solve for x
    x = 76,312,939,751.92/317,435.83
  6. Step 6: Final answer
    x = 240,404.31

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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.