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Finding the Fourth Proportional to 219,033.40, 328,550.10 and 94,374.40

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Solution

The fourth proportional to 219,033.40, 328,550.10 and 94,374.40 is: 141,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,033.40 : 328,550.10 = 94,374.40 : x
  2. Step 2: Convert to fraction form
    219,033.40/328,550.10 = 94,374.40/x
  3. Step 3: Cross multiply
    219,033.40x = 328,550.10 × 94,374.40
  4. Step 4: Simplify right side
    219,033.40x = 31,006,718,557.44
  5. Step 5: Solve for x
    x = 31,006,718,557.44/219,033.40
  6. Step 6: Final answer
    x = 141,561.60

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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.