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Finding the Fourth Proportional to 265,777.65, 366,780.54 and 162,428.58

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Solution

The fourth proportional to 265,777.65, 366,780.54 and 162,428.58 is: 224,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,777.65 : 366,780.54 = 162,428.58 : x
  2. Step 2: Convert to fraction form
    265,777.65/366,780.54 = 162,428.58/x
  3. Step 3: Cross multiply
    265,777.65x = 366,780.54 × 162,428.58
  4. Step 4: Simplify right side
    265,777.65x = 59,575,642,283.83
  5. Step 5: Solve for x
    x = 59,575,642,283.83/265,777.65
  6. Step 6: Final answer
    x = 224,155.95

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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.