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Finding the Fourth Proportional to 697,756.92, 963,054.63 and 425,766.57

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Solution

The fourth proportional to 697,756.92, 963,054.63 and 425,766.57 is: 587,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,756.92 : 963,054.63 = 425,766.57 : x
  2. Step 2: Convert to fraction form
    697,756.92/963,054.63 = 425,766.57/x
  3. Step 3: Cross multiply
    697,756.92x = 963,054.63 × 425,766.57
  4. Step 4: Simplify right side
    697,756.92x = 410,036,466,537.72
  5. Step 5: Solve for x
    x = 410,036,466,537.72/697,756.92
  6. Step 6: Final answer
    x = 587,649.44

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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.