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Finding the Fourth Proportional to 616,248.90, 925,064.55 and 367,071.30

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Solution

The fourth proportional to 616,248.90, 925,064.55 and 367,071.30 is: 551,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,248.90 : 925,064.55 = 367,071.30 : x
  2. Step 2: Convert to fraction form
    616,248.90/925,064.55 = 367,071.30/x
  3. Step 3: Cross multiply
    616,248.90x = 925,064.55 × 367,071.30
  4. Step 4: Simplify right side
    616,248.90x = 339,564,646,952.42
  5. Step 5: Solve for x
    x = 339,564,646,952.42/616,248.90
  6. Step 6: Final answer
    x = 551,018.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.