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Finding the Fourth Proportional to 592,611.09, 817,808.25 and 347,742.26

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Solution

The fourth proportional to 592,611.09, 817,808.25 and 347,742.26 is: 479,887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,611.09 : 817,808.25 = 347,742.26 : x
  2. Step 2: Convert to fraction form
    592,611.09/817,808.25 = 347,742.26/x
  3. Step 3: Cross multiply
    592,611.09x = 817,808.25 × 347,742.26
  4. Step 4: Simplify right side
    592,611.09x = 284,386,492,027.54
  5. Step 5: Solve for x
    x = 284,386,492,027.54/592,611.09
  6. Step 6: Final answer
    x = 479,887.23

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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.