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Finding the Fourth Proportional to 372,468.42, 514,018.08 and 211,330.26

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Solution

The fourth proportional to 372,468.42, 514,018.08 and 211,330.26 is: 291,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,468.42 : 514,018.08 = 211,330.26 : x
  2. Step 2: Convert to fraction form
    372,468.42/514,018.08 = 211,330.26/x
  3. Step 3: Cross multiply
    372,468.42x = 514,018.08 × 211,330.26
  4. Step 4: Simplify right side
    372,468.42x = 108,627,574,491.10
  5. Step 5: Solve for x
    x = 108,627,574,491.10/372,468.42
  6. Step 6: Final answer
    x = 291,642.37

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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.