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Finding the Fourth Proportional to 562,888.31, 776,784.83 and 304,765.20

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Solution

The fourth proportional to 562,888.31, 776,784.83 and 304,765.20 is: 420,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,888.31 : 776,784.83 = 304,765.20 : x
  2. Step 2: Convert to fraction form
    562,888.31/776,784.83 = 304,765.20/x
  3. Step 3: Cross multiply
    562,888.31x = 776,784.83 × 304,765.20
  4. Step 4: Simplify right side
    562,888.31x = 236,736,982,548.09
  5. Step 5: Solve for x
    x = 236,736,982,548.09/562,888.31
  6. Step 6: Final answer
    x = 420,575.42

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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.