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Finding the Fourth Proportional to 527,896.21, 728,500.51 and 286,182.59

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Solution

The fourth proportional to 527,896.21, 728,500.51 and 286,182.59 is: 394,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,896.21 : 728,500.51 = 286,182.59 : x
  2. Step 2: Convert to fraction form
    527,896.21/728,500.51 = 286,182.59/x
  3. Step 3: Cross multiply
    527,896.21x = 728,500.51 × 286,182.59
  4. Step 4: Simplify right side
    527,896.21x = 208,484,162,768.12
  5. Step 5: Solve for x
    x = 208,484,162,768.12/527,896.21
  6. Step 6: Final answer
    x = 394,934.00

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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.