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Finding the Fourth Proportional to 723,995.73, 999,140.94 and 437,460.39

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Solution

The fourth proportional to 723,995.73, 999,140.94 and 437,460.39 is: 603,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,995.73 : 999,140.94 = 437,460.39 : x
  2. Step 2: Convert to fraction form
    723,995.73/999,140.94 = 437,460.39/x
  3. Step 3: Cross multiply
    723,995.73x = 999,140.94 × 437,460.39
  4. Step 4: Simplify right side
    723,995.73x = 437,084,585,277.37
  5. Step 5: Solve for x
    x = 437,084,585,277.37/723,995.73
  6. Step 6: Final answer
    x = 603,711.55

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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.