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Finding the Fourth Proportional to 369,423.54, 554,135.40 and 88,940.82

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Solution

The fourth proportional to 369,423.54, 554,135.40 and 88,940.82 is: 133,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,423.54 : 554,135.40 = 88,940.82 : x
  2. Step 2: Convert to fraction form
    369,423.54/554,135.40 = 88,940.82/x
  3. Step 3: Cross multiply
    369,423.54x = 554,135.40 × 88,940.82
  4. Step 4: Simplify right side
    369,423.54x = 49,285,256,867.03
  5. Step 5: Solve for x
    x = 49,285,256,867.03/369,423.54
  6. Step 6: Final answer
    x = 133,411.25

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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.