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Finding the Fourth Proportional to 573,071.74, 790,836.35 and 328,055.15

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Solution

The fourth proportional to 573,071.74, 790,836.35 and 328,055.15 is: 452,714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,071.74 : 790,836.35 = 328,055.15 : x
  2. Step 2: Convert to fraction form
    573,071.74/790,836.35 = 328,055.15/x
  3. Step 3: Cross multiply
    573,071.74x = 790,836.35 × 328,055.15
  4. Step 4: Simplify right side
    573,071.74x = 259,437,931,830.25
  5. Step 5: Solve for x
    x = 259,437,931,830.25/573,071.74
  6. Step 6: Final answer
    x = 452,714.58

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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.