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Finding the Fourth Proportional to 576,631.19, 795,607.76 and 500,027.87

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Solution

The fourth proportional to 576,631.19, 795,607.76 and 500,027.87 is: 689,914.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,631.19 : 795,607.76 = 500,027.87 : x
  2. Step 2: Convert to fraction form
    576,631.19/795,607.76 = 500,027.87/x
  3. Step 3: Cross multiply
    576,631.19x = 795,607.76 × 500,027.87
  4. Step 4: Simplify right side
    576,631.19x = 397,826,047,110.09
  5. Step 5: Solve for x
    x = 397,826,047,110.09/576,631.19
  6. Step 6: Final answer
    x = 689,914.21

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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.