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Finding the Fourth Proportional to 586,475.64, 879,789.60 and 165,761.64

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Solution

The fourth proportional to 586,475.64, 879,789.60 and 165,761.64 is: 248,663.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,475.64 : 879,789.60 = 165,761.64 : x
  2. Step 2: Convert to fraction form
    586,475.64/879,789.60 = 165,761.64/x
  3. Step 3: Cross multiply
    586,475.64x = 879,789.60 × 165,761.64
  4. Step 4: Simplify right side
    586,475.64x = 145,835,366,950.94
  5. Step 5: Solve for x
    x = 145,835,366,950.94/586,475.64
  6. Step 6: Final answer
    x = 248,663.98

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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.