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Finding the Fourth Proportional to 501,779.80, 752,669.70 and 461,344.60

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Solution

The fourth proportional to 501,779.80, 752,669.70 and 461,344.60 is: 692,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,779.80 : 752,669.70 = 461,344.60 : x
  2. Step 2: Convert to fraction form
    501,779.80/752,669.70 = 461,344.60/x
  3. Step 3: Cross multiply
    501,779.80x = 752,669.70 × 461,344.60
  4. Step 4: Simplify right side
    501,779.80x = 347,240,101,678.62
  5. Step 5: Solve for x
    x = 347,240,101,678.62/501,779.80
  6. Step 6: Final answer
    x = 692,016.90

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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.