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Finding the Fourth Proportional to 514,326.36, 771,489.66 and 248,037.24

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Solution

The fourth proportional to 514,326.36, 771,489.66 and 248,037.24 is: 372,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,326.36 : 771,489.66 = 248,037.24 : x
  2. Step 2: Convert to fraction form
    514,326.36/771,489.66 = 248,037.24/x
  3. Step 3: Cross multiply
    514,326.36x = 771,489.66 × 248,037.24
  4. Step 4: Simplify right side
    514,326.36x = 191,358,165,954.94
  5. Step 5: Solve for x
    x = 191,358,165,954.94/514,326.36
  6. Step 6: Final answer
    x = 372,055.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.