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Finding the Fourth Proportional to 479,492.32, 719,238.64 and 163,952.16

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Solution

The fourth proportional to 479,492.32, 719,238.64 and 163,952.16 is: 245,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,492.32 : 719,238.64 = 163,952.16 : x
  2. Step 2: Convert to fraction form
    479,492.32/719,238.64 = 163,952.16/x
  3. Step 3: Cross multiply
    479,492.32x = 719,238.64 × 163,952.16
  4. Step 4: Simplify right side
    479,492.32x = 117,920,728,583.46
  5. Step 5: Solve for x
    x = 117,920,728,583.46/479,492.32
  6. Step 6: Final answer
    x = 245,928.29

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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.