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Finding the Fourth Proportional to 400,184.04, 600,125.40 and 163,399.98

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Solution

The fourth proportional to 400,184.04, 600,125.40 and 163,399.98 is: 245,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,184.04 : 600,125.40 = 163,399.98 : x
  2. Step 2: Convert to fraction form
    400,184.04/600,125.40 = 163,399.98/x
  3. Step 3: Cross multiply
    400,184.04x = 600,125.40 × 163,399.98
  4. Step 4: Simplify right side
    400,184.04x = 98,060,478,357.49
  5. Step 5: Solve for x
    x = 98,060,478,357.49/400,184.04
  6. Step 6: Final answer
    x = 245,038.45

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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.