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Finding the Fourth Proportional to 770,986.47, 1,151,794 and 498,898.01

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Solution

The fourth proportional to 770,986.47, 1,151,794 and 498,898.01 is: 745,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,986.47 : 1,151,794 = 498,898.01 : x
  2. Step 2: Convert to fraction form
    770,986.47/1,151,794 = 498,898.01/x
  3. Step 3: Cross multiply
    770,986.47x = 1,151,794 × 498,898.01
  4. Step 4: Simplify right side
    770,986.47x = 574,627,734,529.94
  5. Step 5: Solve for x
    x = 574,627,734,529.94/770,986.47
  6. Step 6: Final answer
    x = 745,314.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.