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Finding the Fourth Proportional to 527,526.71, 790,388.53 and 376,997.93

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Solution

The fourth proportional to 527,526.71, 790,388.53 and 376,997.93 is: 564,852.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,526.71 : 790,388.53 = 376,997.93 : x
  2. Step 2: Convert to fraction form
    527,526.71/790,388.53 = 376,997.93/x
  3. Step 3: Cross multiply
    527,526.71x = 790,388.53 × 376,997.93
  4. Step 4: Simplify right side
    527,526.71x = 297,974,839,895.88
  5. Step 5: Solve for x
    x = 297,974,839,895.88/527,526.71
  6. Step 6: Final answer
    x = 564,852.61

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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.