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Finding the Fourth Proportional to 480,010.70, 720,016.05 and 473,012.30

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Solution

The fourth proportional to 480,010.70, 720,016.05 and 473,012.30 is: 709,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,010.70 : 720,016.05 = 473,012.30 : x
  2. Step 2: Convert to fraction form
    480,010.70/720,016.05 = 473,012.30/x
  3. Step 3: Cross multiply
    480,010.70x = 720,016.05 × 473,012.30
  4. Step 4: Simplify right side
    480,010.70x = 340,576,447,847.42
  5. Step 5: Solve for x
    x = 340,576,447,847.42/480,010.70
  6. Step 6: Final answer
    x = 709,518.45

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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.