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Finding the Fourth Proportional to 372,461.68, 514,008.78 and 211,323.52

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Solution

The fourth proportional to 372,461.68, 514,008.78 and 211,323.52 is: 291,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,461.68 : 514,008.78 = 211,323.52 : x
  2. Step 2: Convert to fraction form
    372,461.68/514,008.78 = 211,323.52/x
  3. Step 3: Cross multiply
    372,461.68x = 514,008.78 × 211,323.52
  4. Step 4: Simplify right side
    372,461.68x = 108,622,144,700.51
  5. Step 5: Solve for x
    x = 108,622,144,700.51/372,461.68
  6. Step 6: Final answer
    x = 291,633.07

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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.