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Finding the Fourth Proportional to 261,059.40, 360,259.07 and 146,356.72

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Solution

The fourth proportional to 261,059.40, 360,259.07 and 146,356.72 is: 201,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,059.40 : 360,259.07 = 146,356.72 : x
  2. Step 2: Convert to fraction form
    261,059.40/360,259.07 = 146,356.72/x
  3. Step 3: Cross multiply
    261,059.40x = 360,259.07 × 146,356.72
  4. Step 4: Simplify right side
    261,059.40x = 52,726,335,835.45
  5. Step 5: Solve for x
    x = 52,726,335,835.45/261,059.40
  6. Step 6: Final answer
    x = 201,970.65

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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.