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Finding the Fourth Proportional to 693,908.54, 957,300.55 and 464,539.71

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Solution

The fourth proportional to 693,908.54, 957,300.55 and 464,539.71 is: 640,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,908.54 : 957,300.55 = 464,539.71 : x
  2. Step 2: Convert to fraction form
    693,908.54/957,300.55 = 464,539.71/x
  3. Step 3: Cross multiply
    693,908.54x = 957,300.55 × 464,539.71
  4. Step 4: Simplify right side
    693,908.54x = 444,704,118,718.49
  5. Step 5: Solve for x
    x = 444,704,118,718.49/693,908.54
  6. Step 6: Final answer
    x = 640,868.50

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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.