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Finding the Fourth Proportional to 506,576.79, 759,865.03 and 190,959.89

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Solution

The fourth proportional to 506,576.79, 759,865.03 and 190,959.89 is: 286,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,576.79 : 759,865.03 = 190,959.89 : x
  2. Step 2: Convert to fraction form
    506,576.79/759,865.03 = 190,959.89/x
  3. Step 3: Cross multiply
    506,576.79x = 759,865.03 × 190,959.89
  4. Step 4: Simplify right side
    506,576.79x = 145,103,738,266.92
  5. Step 5: Solve for x
    x = 145,103,738,266.92/506,576.79
  6. Step 6: Final answer
    x = 286,439.77

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Double scale
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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.