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Finding the Fourth Proportional to 562,612.58, 776,414.59 and 317,610.26

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Solution

The fourth proportional to 562,612.58, 776,414.59 and 317,610.26 is: 438,307.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,612.58 : 776,414.59 = 317,610.26 : x
  2. Step 2: Convert to fraction form
    562,612.58/776,414.59 = 317,610.26/x
  3. Step 3: Cross multiply
    562,612.58x = 776,414.59 × 317,610.26
  4. Step 4: Simplify right side
    562,612.58x = 246,597,235,121.60
  5. Step 5: Solve for x
    x = 246,597,235,121.60/562,612.58
  6. Step 6: Final answer
    x = 438,307.36

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.