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Finding the Fourth Proportional to 526,540.42, 725,870.01 and 375,374.98

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Solution

The fourth proportional to 526,540.42, 725,870.01 and 375,374.98 is: 517,478.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,540.42 : 725,870.01 = 375,374.98 : x
  2. Step 2: Convert to fraction form
    526,540.42/725,870.01 = 375,374.98/x
  3. Step 3: Cross multiply
    526,540.42x = 725,870.01 × 375,374.98
  4. Step 4: Simplify right side
    526,540.42x = 272,473,440,486.35
  5. Step 5: Solve for x
    x = 272,473,440,486.35/526,540.42
  6. Step 6: Final answer
    x = 517,478.68

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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.