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Finding the Fourth Proportional to 236,687.40, 355,031.10 and 183,810.60

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Solution

The fourth proportional to 236,687.40, 355,031.10 and 183,810.60 is: 275,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,687.40 : 355,031.10 = 183,810.60 : x
  2. Step 2: Convert to fraction form
    236,687.40/355,031.10 = 183,810.60/x
  3. Step 3: Cross multiply
    236,687.40x = 355,031.10 × 183,810.60
  4. Step 4: Simplify right side
    236,687.40x = 65,258,479,509.66
  5. Step 5: Solve for x
    x = 65,258,479,509.66/236,687.40
  6. Step 6: Final answer
    x = 275,715.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.