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Finding the Fourth Proportional to 261,181.80, 360,298.02 and 170,590.80

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Solution

The fourth proportional to 261,181.80, 360,298.02 and 170,590.80 is: 235,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,181.80 : 360,298.02 = 170,590.80 : x
  2. Step 2: Convert to fraction form
    261,181.80/360,298.02 = 170,590.80/x
  3. Step 3: Cross multiply
    261,181.80x = 360,298.02 × 170,590.80
  4. Step 4: Simplify right side
    261,181.80x = 61,463,527,470.22
  5. Step 5: Solve for x
    x = 61,463,527,470.22/261,181.80
  6. Step 6: Final answer
    x = 235,328.52

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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.