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Finding the Fourth Proportional to 350,577.79, 484,614.62 and 312,712.62

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Solution

The fourth proportional to 350,577.79, 484,614.62 and 312,712.62 is: 432,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,577.79 : 484,614.62 = 312,712.62 : x
  2. Step 2: Convert to fraction form
    350,577.79/484,614.62 = 312,712.62/x
  3. Step 3: Cross multiply
    350,577.79x = 484,614.62 × 312,712.62
  4. Step 4: Simplify right side
    350,577.79x = 151,545,103,523.87
  5. Step 5: Solve for x
    x = 151,545,103,523.87/350,577.79
  6. Step 6: Final answer
    x = 432,272.40

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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.