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Finding the Fourth Proportional to 1,223,894.07, 1,835,840.77 and 382,445.82

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Solution

The fourth proportional to 1,223,894.07, 1,835,840.77 and 382,445.82 is: 573,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,894.07 : 1,835,840.77 = 382,445.82 : x
  2. Step 2: Convert to fraction form
    1,223,894.07/1,835,840.77 = 382,445.82/x
  3. Step 3: Cross multiply
    1,223,894.07x = 1,835,840.77 × 382,445.82
  4. Step 4: Simplify right side
    1,223,894.07x = 702,109,627,715.97
  5. Step 5: Solve for x
    x = 702,109,627,715.97/1,223,894.07
  6. Step 6: Final answer
    x = 573,668.62

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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.