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Finding the Fourth Proportional to 365,152.39, 503,823.93 and 212,099.63

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Solution

The fourth proportional to 365,152.39, 503,823.93 and 212,099.63 is: 292,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,152.39 : 503,823.93 = 212,099.63 : x
  2. Step 2: Convert to fraction form
    365,152.39/503,823.93 = 212,099.63/x
  3. Step 3: Cross multiply
    365,152.39x = 503,823.93 × 212,099.63
  4. Step 4: Simplify right side
    365,152.39x = 106,860,870,397.71
  5. Step 5: Solve for x
    x = 106,860,870,397.71/365,152.39
  6. Step 6: Final answer
    x = 292,647.33

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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.