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Finding the Fourth Proportional to 382,411.74, 573,612.75 and 171,900.84

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Solution

The fourth proportional to 382,411.74, 573,612.75 and 171,900.84 is: 257,849.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,411.74 : 573,612.75 = 171,900.84 : x
  2. Step 2: Convert to fraction form
    382,411.74/573,612.75 = 171,900.84/x
  3. Step 3: Cross multiply
    382,411.74x = 573,612.75 × 171,900.84
  4. Step 4: Simplify right side
    382,411.74x = 98,604,513,559.71
  5. Step 5: Solve for x
    x = 98,604,513,559.71/382,411.74
  6. Step 6: Final answer
    x = 257,849.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.