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Finding the Fourth Proportional to 456,762.01, 685,143.02 and 141,211.93

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Solution

The fourth proportional to 456,762.01, 685,143.02 and 141,211.93 is: 211,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,762.01 : 685,143.02 = 141,211.93 : x
  2. Step 2: Convert to fraction form
    456,762.01/685,143.02 = 141,211.93/x
  3. Step 3: Cross multiply
    456,762.01x = 685,143.02 × 141,211.93
  4. Step 4: Simplify right side
    456,762.01x = 96,750,367,474.17
  5. Step 5: Solve for x
    x = 96,750,367,474.17/456,762.01
  6. Step 6: Final answer
    x = 211,817.90

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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.