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Finding the Fourth Proportional to 999,295.53, 1,378,993.46 and 569,714.01

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Solution

The fourth proportional to 999,295.53, 1,378,993.46 and 569,714.01 is: 786,185.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,295.53 : 1,378,993.46 = 569,714.01 : x
  2. Step 2: Convert to fraction form
    999,295.53/1,378,993.46 = 569,714.01/x
  3. Step 3: Cross multiply
    999,295.53x = 1,378,993.46 × 569,714.01
  4. Step 4: Simplify right side
    999,295.53x = 785,631,891,011.81
  5. Step 5: Solve for x
    x = 785,631,891,011.81/999,295.53
  6. Step 6: Final answer
    x = 786,185.74

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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.