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Finding the Fourth Proportional to 344,890.08, 517,393.44 and 157,916.16

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Solution

The fourth proportional to 344,890.08, 517,393.44 and 157,916.16 is: 236,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,890.08 : 517,393.44 = 157,916.16 : x
  2. Step 2: Convert to fraction form
    344,890.08/517,393.44 = 157,916.16/x
  3. Step 3: Cross multiply
    344,890.08x = 517,393.44 × 157,916.16
  4. Step 4: Simplify right side
    344,890.08x = 81,704,785,253.99
  5. Step 5: Solve for x
    x = 81,704,785,253.99/344,890.08
  6. Step 6: Final answer
    x = 236,900.94

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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.