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Finding the Fourth Proportional to 464,907.80, 697,361.70 and 127,947.80

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Solution

The fourth proportional to 464,907.80, 697,361.70 and 127,947.80 is: 191,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,907.80 : 697,361.70 = 127,947.80 : x
  2. Step 2: Convert to fraction form
    464,907.80/697,361.70 = 127,947.80/x
  3. Step 3: Cross multiply
    464,907.80x = 697,361.70 × 127,947.80
  4. Step 4: Simplify right side
    464,907.80x = 89,225,895,319.26
  5. Step 5: Solve for x
    x = 89,225,895,319.26/464,907.80
  6. Step 6: Final answer
    x = 191,921.70

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Similar ratio
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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.