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Finding the Fourth Proportional to 581,605.60, 814,800.80 and 581,605.60

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Solution

The fourth proportional to 581,605.60, 814,800.80 and 581,605.60 is: 814,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,605.60 : 814,800.80 = 581,605.60 : x
  2. Step 2: Convert to fraction form
    581,605.60/814,800.80 = 581,605.60/x
  3. Step 3: Cross multiply
    581,605.60x = 814,800.80 × 581,605.60
  4. Step 4: Simplify right side
    581,605.60x = 473,892,708,164.48
  5. Step 5: Solve for x
    x = 473,892,708,164.48/581,605.60
  6. Step 6: Final answer
    x = 814,800.80

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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.