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Finding the Fourth Proportional to 415,835.95, 573,861.08 and 243,877.94

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Solution

The fourth proportional to 415,835.95, 573,861.08 and 243,877.94 is: 336,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,835.95 : 573,861.08 = 243,877.94 : x
  2. Step 2: Convert to fraction form
    415,835.95/573,861.08 = 243,877.94/x
  3. Step 3: Cross multiply
    415,835.95x = 573,861.08 × 243,877.94
  4. Step 4: Simplify right side
    415,835.95x = 139,952,058,036.58
  5. Step 5: Solve for x
    x = 139,952,058,036.58/415,835.95
  6. Step 6: Final answer
    x = 336,555.94

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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.