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Finding the Fourth Proportional to 1,492,353, 2,059,239.42 and 838,886.64

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Solution

The fourth proportional to 1,492,353, 2,059,239.42 and 838,886.64 is: 1,157,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,353 : 2,059,239.42 = 838,886.64 : x
  2. Step 2: Convert to fraction form
    1,492,353/2,059,239.42 = 838,886.64/x
  3. Step 3: Cross multiply
    1,492,353x = 2,059,239.42 × 838,886.64
  4. Step 4: Simplify right side
    1,492,353x = 1,727,468,437,999.35
  5. Step 5: Solve for x
    x = 1,727,468,437,999.35/1,492,353
  6. Step 6: Final answer
    x = 1,157,546.80

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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.