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Finding the Fourth Proportional to 354,845.80, 532,787.10 and 144,893.80

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Solution

The fourth proportional to 354,845.80, 532,787.10 and 144,893.80 is: 217,552.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,845.80 : 532,787.10 = 144,893.80 : x
  2. Step 2: Convert to fraction form
    354,845.80/532,787.10 = 144,893.80/x
  3. Step 3: Cross multiply
    354,845.80x = 532,787.10 × 144,893.80
  4. Step 4: Simplify right side
    354,845.80x = 77,197,547,509.98
  5. Step 5: Solve for x
    x = 77,197,547,509.98/354,845.80
  6. Step 6: Final answer
    x = 217,552.38

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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.