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Finding the Fourth Proportional to 586,594.73, 809,500.71 and 318,322.73

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Solution

The fourth proportional to 586,594.73, 809,500.71 and 318,322.73 is: 439,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,594.73 : 809,500.71 = 318,322.73 : x
  2. Step 2: Convert to fraction form
    586,594.73/809,500.71 = 318,322.73/x
  3. Step 3: Cross multiply
    586,594.73x = 809,500.71 × 318,322.73
  4. Step 4: Simplify right side
    586,594.73x = 257,682,475,944.14
  5. Step 5: Solve for x
    x = 257,682,475,944.14/586,594.73
  6. Step 6: Final answer
    x = 439,285.36

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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.