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Finding the Fourth Proportional to 1,555,776, 2,333,664 and 373,824

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Solution

The fourth proportional to 1,555,776, 2,333,664 and 373,824 is: 560,736

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,776 : 2,333,664 = 373,824 : x
  2. Step 2: Convert to fraction form
    1,555,776/2,333,664 = 373,824/x
  3. Step 3: Cross multiply
    1,555,776x = 2,333,664 × 373,824
  4. Step 4: Simplify right side
    1,555,776x = 872,379,611,136
  5. Step 5: Solve for x
    x = 872,379,611,136/1,555,776
  6. Step 6: Final answer
    x = 560,736

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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.