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Finding the Fourth Proportional to 523,587.74, 722,636.82 and 436,234.37

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Solution

The fourth proportional to 523,587.74, 722,636.82 and 436,234.37 is: 602,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,587.74 : 722,636.82 = 436,234.37 : x
  2. Step 2: Convert to fraction form
    523,587.74/722,636.82 = 436,234.37/x
  3. Step 3: Cross multiply
    523,587.74x = 722,636.82 × 436,234.37
  4. Step 4: Simplify right side
    523,587.74x = 315,239,014,298.32
  5. Step 5: Solve for x
    x = 315,239,014,298.32/523,587.74
  6. Step 6: Final answer
    x = 602,074.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.