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Finding the Fourth Proportional to 4,697,598.58, 7,046,401.75 and 1,285,913.48

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Solution

The fourth proportional to 4,697,598.58, 7,046,401.75 and 1,285,913.48 is: 1,928,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697,598.58 : 7,046,401.75 = 1,285,913.48 : x
  2. Step 2: Convert to fraction form
    4,697,598.58/7,046,401.75 = 1,285,913.48/x
  3. Step 3: Cross multiply
    4,697,598.58x = 7,046,401.75 × 1,285,913.48
  4. Step 4: Simplify right side
    4,697,598.58x = 9,061,062,957,373.80
  5. Step 5: Solve for x
    x = 9,061,062,957,373.80/4,697,598.58
  6. Step 6: Final answer
    x = 1,928,871.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.