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Finding the Fourth Proportional to 669,307.14, 923,650.74 and 363,386.34

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Solution

The fourth proportional to 669,307.14, 923,650.74 and 363,386.34 is: 501,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,307.14 : 923,650.74 = 363,386.34 : x
  2. Step 2: Convert to fraction form
    669,307.14/923,650.74 = 363,386.34/x
  3. Step 3: Cross multiply
    669,307.14x = 923,650.74 × 363,386.34
  4. Step 4: Simplify right side
    669,307.14x = 335,642,061,846.89
  5. Step 5: Solve for x
    x = 335,642,061,846.89/669,307.14
  6. Step 6: Final answer
    x = 501,476.89

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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.