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Finding the Fourth Proportional to 700,953.57, 967,292.85 and 442,968.38

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Solution

The fourth proportional to 700,953.57, 967,292.85 and 442,968.38 is: 611,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,953.57 : 967,292.85 = 442,968.38 : x
  2. Step 2: Convert to fraction form
    700,953.57/967,292.85 = 442,968.38/x
  3. Step 3: Cross multiply
    700,953.57x = 967,292.85 × 442,968.38
  4. Step 4: Simplify right side
    700,953.57x = 428,480,141,913.62
  5. Step 5: Solve for x
    x = 428,480,141,913.62/700,953.57
  6. Step 6: Final answer
    x = 611,281.77

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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.