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Finding the Fourth Proportional to 608,564.91, 912,482.85 and 288,796.35

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Solution

The fourth proportional to 608,564.91, 912,482.85 and 288,796.35 is: 433,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,564.91 : 912,482.85 = 288,796.35 : x
  2. Step 2: Convert to fraction form
    608,564.91/912,482.85 = 288,796.35/x
  3. Step 3: Cross multiply
    608,564.91x = 912,482.85 × 288,796.35
  4. Step 4: Simplify right side
    608,564.91x = 263,521,716,517.60
  5. Step 5: Solve for x
    x = 263,521,716,517.60/608,564.91
  6. Step 6: Final answer
    x = 433,021.54

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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.