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Finding the Fourth Proportional to 559,465.50, 772,052.58 and 304,818.48

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Solution

The fourth proportional to 559,465.50, 772,052.58 and 304,818.48 is: 420,644.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,465.50 : 772,052.58 = 304,818.48 : x
  2. Step 2: Convert to fraction form
    559,465.50/772,052.58 = 304,818.48/x
  3. Step 3: Cross multiply
    559,465.50x = 772,052.58 × 304,818.48
  4. Step 4: Simplify right side
    559,465.50x = 235,335,893,915.68
  5. Step 5: Solve for x
    x = 235,335,893,915.68/559,465.50
  6. Step 6: Final answer
    x = 420,644.16

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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.