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Finding the Fourth Proportional to 253,805.94, 350,411.46 and 163,319.16

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Solution

The fourth proportional to 253,805.94, 350,411.46 and 163,319.16 is: 225,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,805.94 : 350,411.46 = 163,319.16 : x
  2. Step 2: Convert to fraction form
    253,805.94/350,411.46 = 163,319.16/x
  3. Step 3: Cross multiply
    253,805.94x = 350,411.46 × 163,319.16
  4. Step 4: Simplify right side
    253,805.94x = 57,228,906,177.60
  5. Step 5: Solve for x
    x = 57,228,906,177.60/253,805.94
  6. Step 6: Final answer
    x = 225,482.93

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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.