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Finding the Fourth Proportional to 468,471.04, 646,490.24 and 253,611.08

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Solution

The fourth proportional to 468,471.04, 646,490.24 and 253,611.08 is: 349,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,471.04 : 646,490.24 = 253,611.08 : x
  2. Step 2: Convert to fraction form
    468,471.04/646,490.24 = 253,611.08/x
  3. Step 3: Cross multiply
    468,471.04x = 646,490.24 × 253,611.08
  4. Step 4: Simplify right side
    468,471.04x = 163,957,087,975.86
  5. Step 5: Solve for x
    x = 163,957,087,975.86/468,471.04
  6. Step 6: Final answer
    x = 349,983.40

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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.