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Finding the Fourth Proportional to 684,093.69, 944,315.69 and 612,349.65

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Solution

The fourth proportional to 684,093.69, 944,315.69 and 612,349.65 is: 845,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,093.69 : 944,315.69 = 612,349.65 : x
  2. Step 2: Convert to fraction form
    684,093.69/944,315.69 = 612,349.65/x
  3. Step 3: Cross multiply
    684,093.69x = 944,315.69 × 612,349.65
  4. Step 4: Simplify right side
    684,093.69x = 578,251,379,199.26
  5. Step 5: Solve for x
    x = 578,251,379,199.26/684,093.69
  6. Step 6: Final answer
    x = 845,280.97

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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.