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Finding the Fourth Proportional to 527,596.16, 728,066.88 and 301,197.44

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Solution

The fourth proportional to 527,596.16, 728,066.88 and 301,197.44 is: 415,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,596.16 : 728,066.88 = 301,197.44 : x
  2. Step 2: Convert to fraction form
    527,596.16/728,066.88 = 301,197.44/x
  3. Step 3: Cross multiply
    527,596.16x = 728,066.88 × 301,197.44
  4. Step 4: Simplify right side
    527,596.16x = 219,291,880,404.79
  5. Step 5: Solve for x
    x = 219,291,880,404.79/527,596.16
  6. Step 6: Final answer
    x = 415,643.44

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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.