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Finding the Fourth Proportional to 464,953.70, 697,338.68 and 127,907.40

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Solution

The fourth proportional to 464,953.70, 697,338.68 and 127,907.40 is: 191,835.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,953.70 : 697,338.68 = 127,907.40 : x
  2. Step 2: Convert to fraction form
    464,953.70/697,338.68 = 127,907.40/x
  3. Step 3: Cross multiply
    464,953.70x = 697,338.68 × 127,907.40
  4. Step 4: Simplify right side
    464,953.70x = 89,194,777,478.23
  5. Step 5: Solve for x
    x = 89,194,777,478.23/464,953.70
  6. Step 6: Final answer
    x = 191,835.83

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1.5x scale

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.