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Finding the Fourth Proportional to 400,010.99, 600,017.06 and 163,353.67

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Solution

The fourth proportional to 400,010.99, 600,017.06 and 163,353.67 is: 245,030.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,010.99 : 600,017.06 = 163,353.67 : x
  2. Step 2: Convert to fraction form
    400,010.99/600,017.06 = 163,353.67/x
  3. Step 3: Cross multiply
    400,010.99x = 600,017.06 × 163,353.67
  4. Step 4: Simplify right side
    400,010.99x = 98,014,987,721.95
  5. Step 5: Solve for x
    x = 98,014,987,721.95/400,010.99
  6. Step 6: Final answer
    x = 245,030.74

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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.