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Finding the Fourth Proportional to 282,346.56, 389,820.60 and 175,031.28

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Solution

The fourth proportional to 282,346.56, 389,820.60 and 175,031.28 is: 241,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,346.56 : 389,820.60 = 175,031.28 : x
  2. Step 2: Convert to fraction form
    282,346.56/389,820.60 = 175,031.28/x
  3. Step 3: Cross multiply
    282,346.56x = 389,820.60 × 175,031.28
  4. Step 4: Simplify right side
    282,346.56x = 68,230,798,588.37
  5. Step 5: Solve for x
    x = 68,230,798,588.37/282,346.56
  6. Step 6: Final answer
    x = 241,656.21

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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.