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Finding the Fourth Proportional to 562,186.85, 775,815.53 and 304,064.08

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Solution

The fourth proportional to 562,186.85, 775,815.53 and 304,064.08 is: 419,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,186.85 : 775,815.53 = 304,064.08 : x
  2. Step 2: Convert to fraction form
    562,186.85/775,815.53 = 304,064.08/x
  3. Step 3: Cross multiply
    562,186.85x = 775,815.53 × 304,064.08
  4. Step 4: Simplify right side
    562,186.85x = 235,897,631,919.30
  5. Step 5: Solve for x
    x = 235,897,631,919.30/562,186.85
  6. Step 6: Final answer
    x = 419,607.17

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1.5x scale

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.