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Finding the Fourth Proportional to 404,612,553.70, 606,918,830.55 and 302,575,881.70

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Solution

The fourth proportional to 404,612,553.70, 606,918,830.55 and 302,575,881.70 is: 453,863,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,612,553.70 : 606,918,830.55 = 302,575,881.70 : x
  2. Step 2: Convert to fraction form
    404,612,553.70/606,918,830.55 = 302,575,881.70/x
  3. Step 3: Cross multiply
    404,612,553.70x = 606,918,830.55 × 302,575,881.70
  4. Step 4: Simplify right side
    404,612,553.70x = 183,639,000,273,999,136
  5. Step 5: Solve for x
    x = 183,639,000,273,999,136/404,612,553.70
  6. Step 6: Final answer
    x = 453,863,822.55

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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.