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Finding the Fourth Proportional to 838,044, 1,156,299.03 and 493,893.63

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Solution

The fourth proportional to 838,044, 1,156,299.03 and 493,893.63 is: 681,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,044 : 1,156,299.03 = 493,893.63 : x
  2. Step 2: Convert to fraction form
    838,044/1,156,299.03 = 493,893.63/x
  3. Step 3: Cross multiply
    838,044x = 1,156,299.03 × 493,893.63
  4. Step 4: Simplify right side
    838,044x = 571,088,725,292.18
  5. Step 5: Solve for x
    x = 571,088,725,292.18/838,044
  6. Step 6: Final answer
    x = 681,454.35

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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.