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Finding the Fourth Proportional to 588,148.80, 821,632.80 and 588,148.80

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Solution

The fourth proportional to 588,148.80, 821,632.80 and 588,148.80 is: 821,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,148.80 : 821,632.80 = 588,148.80 : x
  2. Step 2: Convert to fraction form
    588,148.80/821,632.80 = 588,148.80/x
  3. Step 3: Cross multiply
    588,148.80x = 821,632.80 × 588,148.80
  4. Step 4: Simplify right side
    588,148.80x = 483,242,345,360.64
  5. Step 5: Solve for x
    x = 483,242,345,360.64/588,148.80
  6. Step 6: Final answer
    x = 821,632.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.