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Finding the Fourth Proportional to 606,711.80, 837,428.82 and 352,145

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Solution

The fourth proportional to 606,711.80, 837,428.82 and 352,145 is: 486,056.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,711.80 : 837,428.82 = 352,145 : x
  2. Step 2: Convert to fraction form
    606,711.80/837,428.82 = 352,145/x
  3. Step 3: Cross multiply
    606,711.80x = 837,428.82 × 352,145
  4. Step 4: Simplify right side
    606,711.80x = 294,896,371,818.90
  5. Step 5: Solve for x
    x = 294,896,371,818.90/606,711.80
  6. Step 6: Final answer
    x = 486,056.76

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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.