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Finding the Fourth Proportional to 464,898.60, 697,347.45 and 127,941.18

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Solution

The fourth proportional to 464,898.60, 697,347.45 and 127,941.18 is: 191,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,898.60 : 697,347.45 = 127,941.18 : x
  2. Step 2: Convert to fraction form
    464,898.60/697,347.45 = 127,941.18/x
  3. Step 3: Cross multiply
    464,898.60x = 697,347.45 × 127,941.18
  4. Step 4: Simplify right side
    464,898.60x = 89,219,455,622.99
  5. Step 5: Solve for x
    x = 89,219,455,622.99/464,898.60
  6. Step 6: Final answer
    x = 191,911.65

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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.