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Finding the Fourth Proportional to 671,358.83, 926,495.59 and 475,476.24

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Solution

The fourth proportional to 671,358.83, 926,495.59 and 475,476.24 is: 656,171.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,358.83 : 926,495.59 = 475,476.24 : x
  2. Step 2: Convert to fraction form
    671,358.83/926,495.59 = 475,476.24/x
  3. Step 3: Cross multiply
    671,358.83x = 926,495.59 × 475,476.24
  4. Step 4: Simplify right side
    671,358.83x = 440,526,636,629.77
  5. Step 5: Solve for x
    x = 440,526,636,629.77/671,358.83
  6. Step 6: Final answer
    x = 656,171.66

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Double scale
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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.