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Finding the Fourth Proportional to 718,224.17, 991,152.35 and 395,927.19

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Solution

The fourth proportional to 718,224.17, 991,152.35 and 395,927.19 is: 546,381.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,224.17 : 991,152.35 = 395,927.19 : x
  2. Step 2: Convert to fraction form
    718,224.17/991,152.35 = 395,927.19/x
  3. Step 3: Cross multiply
    718,224.17x = 991,152.35 × 395,927.19
  4. Step 4: Simplify right side
    718,224.17x = 392,424,164,302.49
  5. Step 5: Solve for x
    x = 392,424,164,302.49/718,224.17
  6. Step 6: Final answer
    x = 546,381.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.