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Finding the Fourth Proportional to 261,262.60, 360,556.65 and 146,577.57

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Solution

The fourth proportional to 261,262.60, 360,556.65 and 146,577.57 is: 202,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,262.60 : 360,556.65 = 146,577.57 : x
  2. Step 2: Convert to fraction form
    261,262.60/360,556.65 = 146,577.57/x
  3. Step 3: Cross multiply
    261,262.60x = 360,556.65 × 146,577.57
  4. Step 4: Simplify right side
    261,262.60x = 52,849,515,068.67
  5. Step 5: Solve for x
    x = 52,849,515,068.67/261,262.60
  6. Step 6: Final answer
    x = 202,285.04

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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.