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Finding the Fourth Proportional to 441,710.59, 609,405.27 and 288,838.21

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Solution

The fourth proportional to 441,710.59, 609,405.27 and 288,838.21 is: 398,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,710.59 : 609,405.27 = 288,838.21 : x
  2. Step 2: Convert to fraction form
    441,710.59/609,405.27 = 288,838.21/x
  3. Step 3: Cross multiply
    441,710.59x = 609,405.27 × 288,838.21
  4. Step 4: Simplify right side
    441,710.59x = 176,019,527,351.37
  5. Step 5: Solve for x
    x = 176,019,527,351.37/441,710.59
  6. Step 6: Final answer
    x = 398,495.15

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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.