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Finding the Fourth Proportional to 503,315.75, 754,973.55 and 183,491.60

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Solution

The fourth proportional to 503,315.75, 754,973.55 and 183,491.60 is: 275,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,315.75 : 754,973.55 = 183,491.60 : x
  2. Step 2: Convert to fraction form
    503,315.75/754,973.55 = 183,491.60/x
  3. Step 3: Cross multiply
    503,315.75x = 754,973.55 × 183,491.60
  4. Step 4: Simplify right side
    503,315.75x = 138,531,300,872.31
  5. Step 5: Solve for x
    x = 138,531,300,872.31/503,315.75
  6. Step 6: Final answer
    x = 275,237.36

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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.