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Finding the Fourth Proportional to 291,461.52, 402,210.84 and 162,399.48

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Solution

The fourth proportional to 291,461.52, 402,210.84 and 162,399.48 is: 224,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,461.52 : 402,210.84 = 162,399.48 : x
  2. Step 2: Convert to fraction form
    291,461.52/402,210.84 = 162,399.48/x
  3. Step 3: Cross multiply
    291,461.52x = 402,210.84 × 162,399.48
  4. Step 4: Simplify right side
    291,461.52x = 65,318,831,266.36
  5. Step 5: Solve for x
    x = 65,318,831,266.36/291,461.52
  6. Step 6: Final answer
    x = 224,107.91

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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.