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Finding the Fourth Proportional to 272,507.63, 407,017.28 and 246,823.56

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Solution

The fourth proportional to 272,507.63, 407,017.28 and 246,823.56 is: 368,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,507.63 : 407,017.28 = 246,823.56 : x
  2. Step 2: Convert to fraction form
    272,507.63/407,017.28 = 246,823.56/x
  3. Step 3: Cross multiply
    272,507.63x = 407,017.28 × 246,823.56
  4. Step 4: Simplify right side
    272,507.63x = 100,461,454,648.18
  5. Step 5: Solve for x
    x = 100,461,454,648.18/272,507.63
  6. Step 6: Final answer
    x = 368,655.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.