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Finding the Fourth Proportional to 400,867.95, 601,329.98 and 160,981.81

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Solution

The fourth proportional to 400,867.95, 601,329.98 and 160,981.81 is: 241,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,867.95 : 601,329.98 = 160,981.81 : x
  2. Step 2: Convert to fraction form
    400,867.95/601,329.98 = 160,981.81/x
  3. Step 3: Cross multiply
    400,867.95x = 601,329.98 × 160,981.81
  4. Step 4: Simplify right side
    400,867.95x = 96,803,188,587.66
  5. Step 5: Solve for x
    x = 96,803,188,587.66/400,867.95
  6. Step 6: Final answer
    x = 241,483.98

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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.