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Finding the Fourth Proportional to 424,596.39, 636,894.63 and 109,053.60

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Solution

The fourth proportional to 424,596.39, 636,894.63 and 109,053.60 is: 163,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,596.39 : 636,894.63 = 109,053.60 : x
  2. Step 2: Convert to fraction form
    424,596.39/636,894.63 = 109,053.60/x
  3. Step 3: Cross multiply
    424,596.39x = 636,894.63 × 109,053.60
  4. Step 4: Simplify right side
    424,596.39x = 69,455,652,222.17
  5. Step 5: Solve for x
    x = 69,455,652,222.17/424,596.39
  6. Step 6: Final answer
    x = 163,580.41

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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.