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Finding the Fourth Proportional to 608,466.15, 912,699.23 and 384,079.95

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Solution

The fourth proportional to 608,466.15, 912,699.23 and 384,079.95 is: 576,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,466.15 : 912,699.23 = 384,079.95 : x
  2. Step 2: Convert to fraction form
    608,466.15/912,699.23 = 384,079.95/x
  3. Step 3: Cross multiply
    608,466.15x = 912,699.23 × 384,079.95
  4. Step 4: Simplify right side
    608,466.15x = 350,549,472,703.04
  5. Step 5: Solve for x
    x = 350,549,472,703.04/608,466.15
  6. Step 6: Final answer
    x = 576,119.93

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Similar ratio
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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.