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Finding the Fourth Proportional to 464,953.70, 697,338.69 and 127,907.39

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Solution

The fourth proportional to 464,953.70, 697,338.69 and 127,907.39 is: 191,835.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,953.70 : 697,338.69 = 127,907.39 : x
  2. Step 2: Convert to fraction form
    464,953.70/697,338.69 = 127,907.39/x
  3. Step 3: Cross multiply
    464,953.70x = 697,338.69 × 127,907.39
  4. Step 4: Simplify right side
    464,953.70x = 89,194,771,783.92
  5. Step 5: Solve for x
    x = 89,194,771,783.92/464,953.70
  6. Step 6: Final answer
    x = 191,835.81

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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.