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Finding the Fourth Proportional to 464,740.70, 697,111.05 and 436,747.10

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Solution

The fourth proportional to 464,740.70, 697,111.05 and 436,747.10 is: 655,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,740.70 : 697,111.05 = 436,747.10 : x
  2. Step 2: Convert to fraction form
    464,740.70/697,111.05 = 436,747.10/x
  3. Step 3: Cross multiply
    464,740.70x = 697,111.05 × 436,747.10
  4. Step 4: Simplify right side
    464,740.70x = 304,461,229,465.46
  5. Step 5: Solve for x
    x = 304,461,229,465.46/464,740.70
  6. Step 6: Final answer
    x = 655,120.65

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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.