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Finding the Fourth Proportional to 1,604,533.02, 2,407,578 and 705,857.98

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Solution

The fourth proportional to 1,604,533.02, 2,407,578 and 705,857.98 is: 1,059,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,533.02 : 2,407,578 = 705,857.98 : x
  2. Step 2: Convert to fraction form
    1,604,533.02/2,407,578 = 705,857.98/x
  3. Step 3: Cross multiply
    1,604,533.02x = 2,407,578 × 705,857.98
  4. Step 4: Simplify right side
    1,604,533.02x = 1,699,408,143,772.44
  5. Step 5: Solve for x
    x = 1,699,408,143,772.44/1,604,533.02
  6. Step 6: Final answer
    x = 1,059,129.43

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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.