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Finding the Fourth Proportional to 464,430.80, 697,294.20 and 296,987.60

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Solution

The fourth proportional to 464,430.80, 697,294.20 and 296,987.60 is: 445,895.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,430.80 : 697,294.20 = 296,987.60 : x
  2. Step 2: Convert to fraction form
    464,430.80/697,294.20 = 296,987.60/x
  3. Step 3: Cross multiply
    464,430.80x = 697,294.20 × 296,987.60
  4. Step 4: Simplify right side
    464,430.80x = 207,087,730,951.92
  5. Step 5: Solve for x
    x = 207,087,730,951.92/464,430.80
  6. Step 6: Final answer
    x = 445,895.77

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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.