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Finding the Fourth Proportional to 587,245.60, 822,696.80 and 587,245.60

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Solution

The fourth proportional to 587,245.60, 822,696.80 and 587,245.60 is: 822,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,245.60 : 822,696.80 = 587,245.60 : x
  2. Step 2: Convert to fraction form
    587,245.60/822,696.80 = 587,245.60/x
  3. Step 3: Cross multiply
    587,245.60x = 822,696.80 × 587,245.60
  4. Step 4: Simplify right side
    587,245.60x = 483,125,075,934.08
  5. Step 5: Solve for x
    x = 483,125,075,934.08/587,245.60
  6. Step 6: Final answer
    x = 822,696.80

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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.