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Finding the Fourth Proportional to 310,064.93, 427,863.35 and 174,088.20

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Solution

The fourth proportional to 310,064.93, 427,863.35 and 174,088.20 is: 240,226.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,064.93 : 427,863.35 = 174,088.20 : x
  2. Step 2: Convert to fraction form
    310,064.93/427,863.35 = 174,088.20/x
  3. Step 3: Cross multiply
    310,064.93x = 427,863.35 × 174,088.20
  4. Step 4: Simplify right side
    310,064.93x = 74,485,960,882.69
  5. Step 5: Solve for x
    x = 74,485,960,882.69/310,064.93
  6. Step 6: Final answer
    x = 240,226.98

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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.