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Finding the Fourth Proportional to 532,952.40, 734,965.98 and 348,916.34

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Solution

The fourth proportional to 532,952.40, 734,965.98 and 348,916.34 is: 481,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,952.40 : 734,965.98 = 348,916.34 : x
  2. Step 2: Convert to fraction form
    532,952.40/734,965.98 = 348,916.34/x
  3. Step 3: Cross multiply
    532,952.40x = 734,965.98 × 348,916.34
  4. Step 4: Simplify right side
    532,952.40x = 256,441,639,766.11
  5. Step 5: Solve for x
    x = 256,441,639,766.11/532,952.40
  6. Step 6: Final answer
    x = 481,171.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.