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Finding the Fourth Proportional to 575,867.52, 863,801.28 and 295,205.76

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Solution

The fourth proportional to 575,867.52, 863,801.28 and 295,205.76 is: 442,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,867.52 : 863,801.28 = 295,205.76 : x
  2. Step 2: Convert to fraction form
    575,867.52/863,801.28 = 295,205.76/x
  3. Step 3: Cross multiply
    575,867.52x = 863,801.28 × 295,205.76
  4. Step 4: Simplify right side
    575,867.52x = 254,999,113,351.37
  5. Step 5: Solve for x
    x = 254,999,113,351.37/575,867.52
  6. Step 6: Final answer
    x = 442,808.64

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