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Finding the Fourth Proportional to 604,488.13, 906,699.40 and 183,731.20

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Solution

The fourth proportional to 604,488.13, 906,699.40 and 183,731.20 is: 275,586.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,488.13 : 906,699.40 = 183,731.20 : x
  2. Step 2: Convert to fraction form
    604,488.13/906,699.40 = 183,731.20/x
  3. Step 3: Cross multiply
    604,488.13x = 906,699.40 × 183,731.20
  4. Step 4: Simplify right side
    604,488.13x = 166,588,966,075.20
  5. Step 5: Solve for x
    x = 166,588,966,075.20/604,488.13
  6. Step 6: Final answer
    x = 275,586.83

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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.