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Finding the Fourth Proportional to 475,625.99, 710,827.41 and 347,811.57

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Solution

The fourth proportional to 475,625.99, 710,827.41 and 347,811.57 is: 519,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,625.99 : 710,827.41 = 347,811.57 : x
  2. Step 2: Convert to fraction form
    475,625.99/710,827.41 = 347,811.57/x
  3. Step 3: Cross multiply
    475,625.99x = 710,827.41 × 347,811.57
  4. Step 4: Simplify right side
    475,625.99x = 247,233,998,775.43
  5. Step 5: Solve for x
    x = 247,233,998,775.43/475,625.99
  6. Step 6: Final answer
    x = 519,807.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.