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Finding the Fourth Proportional to 586,677.72, 809,548.26 and 328,518.77

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Solution

The fourth proportional to 586,677.72, 809,548.26 and 328,518.77 is: 453,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,677.72 : 809,548.26 = 328,518.77 : x
  2. Step 2: Convert to fraction form
    586,677.72/809,548.26 = 328,518.77/x
  3. Step 3: Cross multiply
    586,677.72x = 809,548.26 × 328,518.77
  4. Step 4: Simplify right side
    586,677.72x = 265,951,794,583.10
  5. Step 5: Solve for x
    x = 265,951,794,583.10/586,677.72
  6. Step 6: Final answer
    x = 453,318.38

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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.