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Finding the Fourth Proportional to 240,628.71, 332,075.46 and 138,646.27

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Solution

The fourth proportional to 240,628.71, 332,075.46 and 138,646.27 is: 191,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,628.71 : 332,075.46 = 138,646.27 : x
  2. Step 2: Convert to fraction form
    240,628.71/332,075.46 = 138,646.27/x
  3. Step 3: Cross multiply
    240,628.71x = 332,075.46 × 138,646.27
  4. Step 4: Simplify right side
    240,628.71x = 46,041,023,887.53
  5. Step 5: Solve for x
    x = 46,041,023,887.53/240,628.71
  6. Step 6: Final answer
    x = 191,336.37

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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.