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Finding the Fourth Proportional to 464,779.90, 697,155.45 and 132,355.90

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Solution

The fourth proportional to 464,779.90, 697,155.45 and 132,355.90 is: 198,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,779.90 : 697,155.45 = 132,355.90 : x
  2. Step 2: Convert to fraction form
    464,779.90/697,155.45 = 132,355.90/x
  3. Step 3: Cross multiply
    464,779.90x = 697,155.45 × 132,355.90
  4. Step 4: Simplify right side
    464,779.90x = 92,272,637,024.66
  5. Step 5: Solve for x
    x = 92,272,637,024.66/464,779.90
  6. Step 6: Final answer
    x = 198,529.75

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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.