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Finding the Fourth Proportional to 994,904, 1,372,829.04 and 559,259.76

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Solution

The fourth proportional to 994,904, 1,372,829.04 and 559,259.76 is: 771,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,904 : 1,372,829.04 = 559,259.76 : x
  2. Step 2: Convert to fraction form
    994,904/1,372,829.04 = 559,259.76/x
  3. Step 3: Cross multiply
    994,904x = 1,372,829.04 × 559,259.76
  4. Step 4: Simplify right side
    994,904x = 767,768,039,431.43
  5. Step 5: Solve for x
    x = 767,768,039,431.43/994,904
  6. Step 6: Final answer
    x = 771,700.63

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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.