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Finding the Fourth Proportional to 702,037.44, 1,051,382.16 and 448,520.40

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Solution

The fourth proportional to 702,037.44, 1,051,382.16 and 448,520.40 is: 671,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,037.44 : 1,051,382.16 = 448,520.40 : x
  2. Step 2: Convert to fraction form
    702,037.44/1,051,382.16 = 448,520.40/x
  3. Step 3: Cross multiply
    702,037.44x = 1,051,382.16 × 448,520.40
  4. Step 4: Simplify right side
    702,037.44x = 471,566,346,956.06
  5. Step 5: Solve for x
    x = 471,566,346,956.06/702,037.44
  6. Step 6: Final answer
    x = 671,711.11

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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.