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Finding the Fourth Proportional to 556,582.14, 768,083.52 and 314,859.60

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Solution

The fourth proportional to 556,582.14, 768,083.52 and 314,859.60 is: 434,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,582.14 : 768,083.52 = 314,859.60 : x
  2. Step 2: Convert to fraction form
    556,582.14/768,083.52 = 314,859.60/x
  3. Step 3: Cross multiply
    556,582.14x = 768,083.52 × 314,859.60
  4. Step 4: Simplify right side
    556,582.14x = 241,838,469,873.79
  5. Step 5: Solve for x
    x = 241,838,469,873.79/556,582.14
  6. Step 6: Final answer
    x = 434,506.34

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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.