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Finding the Fourth Proportional to 676,051.92, 933,003.47 and 385,669.88

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Solution

The fourth proportional to 676,051.92, 933,003.47 and 385,669.88 is: 532,254.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,051.92 : 933,003.47 = 385,669.88 : x
  2. Step 2: Convert to fraction form
    676,051.92/933,003.47 = 385,669.88/x
  3. Step 3: Cross multiply
    676,051.92x = 933,003.47 × 385,669.88
  4. Step 4: Simplify right side
    676,051.92x = 359,831,336,314.48
  5. Step 5: Solve for x
    x = 359,831,336,314.48/676,051.92
  6. Step 6: Final answer
    x = 532,254.00

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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.