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Finding the Fourth Proportional to 286,601.95, 395,510.88 and 159,277.51

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Solution

The fourth proportional to 286,601.95, 395,510.88 and 159,277.51 is: 219,803.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,601.95 : 395,510.88 = 159,277.51 : x
  2. Step 2: Convert to fraction form
    286,601.95/395,510.88 = 159,277.51/x
  3. Step 3: Cross multiply
    286,601.95x = 395,510.88 × 159,277.51
  4. Step 4: Simplify right side
    286,601.95x = 62,995,988,144.31
  5. Step 5: Solve for x
    x = 62,995,988,144.31/286,601.95
  6. Step 6: Final answer
    x = 219,803.07

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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.