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Finding the Fourth Proportional to 292,459, 403,593.96 and 158,323

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Solution

The fourth proportional to 292,459, 403,593.96 and 158,323 is: 218,486.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,459 : 403,593.96 = 158,323 : x
  2. Step 2: Convert to fraction form
    292,459/403,593.96 = 158,323/x
  3. Step 3: Cross multiply
    292,459x = 403,593.96 × 158,323
  4. Step 4: Simplify right side
    292,459x = 63,898,206,529.08
  5. Step 5: Solve for x
    x = 63,898,206,529.08/292,459
  6. Step 6: Final answer
    x = 218,486.03

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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.