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Finding the Fourth Proportional to 668,897.25, 923,073.51 and 362,965.85

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Solution

The fourth proportional to 668,897.25, 923,073.51 and 362,965.85 is: 500,890.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,897.25 : 923,073.51 = 362,965.85 : x
  2. Step 2: Convert to fraction form
    668,897.25/923,073.51 = 362,965.85/x
  3. Step 3: Cross multiply
    668,897.25x = 923,073.51 × 362,965.85
  4. Step 4: Simplify right side
    668,897.25x = 335,044,156,554.27
  5. Step 5: Solve for x
    x = 335,044,156,554.27/668,897.25
  6. Step 6: Final answer
    x = 500,890.32

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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.