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Finding the Fourth Proportional to 617,842.70, 926,764.05 and 369,010.70

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Solution

The fourth proportional to 617,842.70, 926,764.05 and 369,010.70 is: 553,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,842.70 : 926,764.05 = 369,010.70 : x
  2. Step 2: Convert to fraction form
    617,842.70/926,764.05 = 369,010.70/x
  3. Step 3: Cross multiply
    617,842.70x = 926,764.05 × 369,010.70
  4. Step 4: Simplify right side
    617,842.70x = 341,985,850,825.34
  5. Step 5: Solve for x
    x = 341,985,850,825.34/617,842.70
  6. Step 6: Final answer
    x = 553,516.05

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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.