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Finding the Fourth Proportional to 514,890.85, 772,336.28 and 444,032.05

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Solution

The fourth proportional to 514,890.85, 772,336.28 and 444,032.05 is: 666,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,890.85 : 772,336.28 = 444,032.05 : x
  2. Step 2: Convert to fraction form
    514,890.85/772,336.28 = 444,032.05/x
  3. Step 3: Cross multiply
    514,890.85x = 772,336.28 × 444,032.05
  4. Step 4: Simplify right side
    514,890.85x = 342,942,059,477.61
  5. Step 5: Solve for x
    x = 342,942,059,477.61/514,890.85
  6. Step 6: Final answer
    x = 666,048.08

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Similar ratio
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1.5x scale

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.