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Finding the Fourth Proportional to 673,101.69, 929,223.12 and 519,795.69

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Solution

The fourth proportional to 673,101.69, 929,223.12 and 519,795.69 is: 717,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,101.69 : 929,223.12 = 519,795.69 : x
  2. Step 2: Convert to fraction form
    673,101.69/929,223.12 = 519,795.69/x
  3. Step 3: Cross multiply
    673,101.69x = 929,223.12 × 519,795.69
  4. Step 4: Simplify right side
    673,101.69x = 483,006,172,824.35
  5. Step 5: Solve for x
    x = 483,006,172,824.35/673,101.69
  6. Step 6: Final answer
    x = 717,582.77

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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.