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Finding the Fourth Proportional to 464,897.70, 697,346.55 and 386,165.70

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Solution

The fourth proportional to 464,897.70, 697,346.55 and 386,165.70 is: 579,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,897.70 : 697,346.55 = 386,165.70 : x
  2. Step 2: Convert to fraction form
    464,897.70/697,346.55 = 386,165.70/x
  3. Step 3: Cross multiply
    464,897.70x = 697,346.55 × 386,165.70
  4. Step 4: Simplify right side
    464,897.70x = 269,291,318,623.34
  5. Step 5: Solve for x
    x = 269,291,318,623.34/464,897.70
  6. Step 6: Final answer
    x = 579,248.55

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Similar ratio
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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.