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Finding the Fourth Proportional to 400,017.95, 600,027.52 and 163,360.64

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Solution

The fourth proportional to 400,017.95, 600,027.52 and 163,360.64 is: 245,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,017.95 : 600,027.52 = 163,360.64 : x
  2. Step 2: Convert to fraction form
    400,017.95/600,027.52 = 163,360.64/x
  3. Step 3: Cross multiply
    400,017.95x = 600,027.52 × 163,360.64
  4. Step 4: Simplify right side
    400,017.95x = 98,020,880,776.48
  5. Step 5: Solve for x
    x = 98,020,880,776.48/400,017.95
  6. Step 6: Final answer
    x = 245,041.20

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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.