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Finding the Fourth Proportional to 541,465.91, 746,988.40 and 326,486.54

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Solution

The fourth proportional to 541,465.91, 746,988.40 and 326,486.54 is: 450,410.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,465.91 : 746,988.40 = 326,486.54 : x
  2. Step 2: Convert to fraction form
    541,465.91/746,988.40 = 326,486.54/x
  3. Step 3: Cross multiply
    541,465.91x = 746,988.40 × 326,486.54
  4. Step 4: Simplify right side
    541,465.91x = 243,881,658,283.04
  5. Step 5: Solve for x
    x = 243,881,658,283.04/541,465.91
  6. Step 6: Final answer
    x = 450,410.00

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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.