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Finding the Fourth Proportional to 400,328.30, 600,492.84 and 163,670.98

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Solution

The fourth proportional to 400,328.30, 600,492.84 and 163,670.98 is: 245,506.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,328.30 : 600,492.84 = 163,670.98 : x
  2. Step 2: Convert to fraction form
    400,328.30/600,492.84 = 163,670.98/x
  3. Step 3: Cross multiply
    400,328.30x = 600,492.84 × 163,670.98
  4. Step 4: Simplify right side
    400,328.30x = 98,283,248,603.32
  5. Step 5: Solve for x
    x = 98,283,248,603.32/400,328.30
  6. Step 6: Final answer
    x = 245,506.62

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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.