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Finding the Fourth Proportional to 668,521.86, 922,572.77 and 410,269.63

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Solution

The fourth proportional to 668,521.86, 922,572.77 and 410,269.63 is: 566,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,521.86 : 922,572.77 = 410,269.63 : x
  2. Step 2: Convert to fraction form
    668,521.86/922,572.77 = 410,269.63/x
  3. Step 3: Cross multiply
    668,521.86x = 922,572.77 × 410,269.63
  4. Step 4: Simplify right side
    668,521.86x = 378,503,584,638.20
  5. Step 5: Solve for x
    x = 378,503,584,638.20/668,521.86
  6. Step 6: Final answer
    x = 566,179.82

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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.