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Finding the Fourth Proportional to 623,989.76, 936,018.66 and 197,493.74

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Solution

The fourth proportional to 623,989.76, 936,018.66 and 197,493.74 is: 296,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,989.76 : 936,018.66 = 197,493.74 : x
  2. Step 2: Convert to fraction form
    623,989.76/936,018.66 = 197,493.74/x
  3. Step 3: Cross multiply
    623,989.76x = 936,018.66 × 197,493.74
  4. Step 4: Simplify right side
    623,989.76x = 184,857,821,193.10
  5. Step 5: Solve for x
    x = 184,857,821,193.10/623,989.76
  6. Step 6: Final answer
    x = 296,251.37

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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.