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Finding the Fourth Proportional to 261,365.01, 360,754.88 and 153,969.94

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Solution

The fourth proportional to 261,365.01, 360,754.88 and 153,969.94 is: 212,520.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,365.01 : 360,754.88 = 153,969.94 : x
  2. Step 2: Convert to fraction form
    261,365.01/360,754.88 = 153,969.94/x
  3. Step 3: Cross multiply
    261,365.01x = 360,754.88 × 153,969.94
  4. Step 4: Simplify right side
    261,365.01x = 55,545,407,228.31
  5. Step 5: Solve for x
    x = 55,545,407,228.31/261,365.01
  6. Step 6: Final answer
    x = 212,520.44

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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.