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Finding the Fourth Proportional to 655,466.41, 904,545.12 and 365,075.64

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Solution

The fourth proportional to 655,466.41, 904,545.12 and 365,075.64 is: 503,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,466.41 : 904,545.12 = 365,075.64 : x
  2. Step 2: Convert to fraction form
    655,466.41/904,545.12 = 365,075.64/x
  3. Step 3: Cross multiply
    655,466.41x = 904,545.12 × 365,075.64
  4. Step 4: Simplify right side
    655,466.41x = 330,227,389,961.91
  5. Step 5: Solve for x
    x = 330,227,389,961.91/655,466.41
  6. Step 6: Final answer
    x = 503,805.21

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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.