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Finding the Fourth Proportional to 372,461.80, 514,008.94 and 211,323.64

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Solution

The fourth proportional to 372,461.80, 514,008.94 and 211,323.64 is: 291,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,461.80 : 514,008.94 = 211,323.64 : x
  2. Step 2: Convert to fraction form
    372,461.80/514,008.94 = 211,323.64/x
  3. Step 3: Cross multiply
    372,461.80x = 514,008.94 × 211,323.64
  4. Step 4: Simplify right side
    372,461.80x = 108,622,240,193.34
  5. Step 5: Solve for x
    x = 108,622,240,193.34/372,461.80
  6. Step 6: Final answer
    x = 291,633.24

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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.