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Finding the Fourth Proportional to 344,534.83, 475,459.40 and 191,586.98

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Solution

The fourth proportional to 344,534.83, 475,459.40 and 191,586.98 is: 264,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,534.83 : 475,459.40 = 191,586.98 : x
  2. Step 2: Convert to fraction form
    344,534.83/475,459.40 = 191,586.98/x
  3. Step 3: Cross multiply
    344,534.83x = 475,459.40 × 191,586.98
  4. Step 4: Simplify right side
    344,534.83x = 91,091,830,558.61
  5. Step 5: Solve for x
    x = 91,091,830,558.61/344,534.83
  6. Step 6: Final answer
    x = 264,390.77

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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.