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Finding the Fourth Proportional to 1,037,640.52, 1,431,965.76 and 584,931.52

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Solution

The fourth proportional to 1,037,640.52, 1,431,965.76 and 584,931.52 is: 807,217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,640.52 : 1,431,965.76 = 584,931.52 : x
  2. Step 2: Convert to fraction form
    1,037,640.52/1,431,965.76 = 584,931.52/x
  3. Step 3: Cross multiply
    1,037,640.52x = 1,431,965.76 × 584,931.52
  4. Step 4: Simplify right side
    1,037,640.52x = 837,601,908,584.76
  5. Step 5: Solve for x
    x = 837,601,908,584.76/1,037,640.52
  6. Step 6: Final answer
    x = 807,217.81

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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.