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Finding the Fourth Proportional to 291,653.91, 402,494.81 and 162,592.36

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Solution

The fourth proportional to 291,653.91, 402,494.81 and 162,592.36 is: 224,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,653.91 : 402,494.81 = 162,592.36 : x
  2. Step 2: Convert to fraction form
    291,653.91/402,494.81 = 162,592.36/x
  3. Step 3: Cross multiply
    291,653.91x = 402,494.81 × 162,592.36
  4. Step 4: Simplify right side
    291,653.91x = 65,442,580,339.29
  5. Step 5: Solve for x
    x = 65,442,580,339.29/291,653.91
  6. Step 6: Final answer
    x = 224,384.37

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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.