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Finding the Fourth Proportional to 566,362, 781,403.52 and 321,306.34

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Solution

The fourth proportional to 566,362, 781,403.52 and 321,306.34 is: 443,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,362 : 781,403.52 = 321,306.34 : x
  2. Step 2: Convert to fraction form
    566,362/781,403.52 = 321,306.34/x
  3. Step 3: Cross multiply
    566,362x = 781,403.52 × 321,306.34
  4. Step 4: Simplify right side
    566,362x = 251,069,905,074.32
  5. Step 5: Solve for x
    x = 251,069,905,074.32/566,362
  6. Step 6: Final answer
    x = 443,302.88

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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.