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Finding the Fourth Proportional to 606,802.07, 837,026.10 and 392,068.77

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Solution

The fourth proportional to 606,802.07, 837,026.10 and 392,068.77 is: 540,821.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,802.07 : 837,026.10 = 392,068.77 : x
  2. Step 2: Convert to fraction form
    606,802.07/837,026.10 = 392,068.77/x
  3. Step 3: Cross multiply
    606,802.07x = 837,026.10 × 392,068.77
  4. Step 4: Simplify right side
    606,802.07x = 328,171,793,484.90
  5. Step 5: Solve for x
    x = 328,171,793,484.90/606,802.07
  6. Step 6: Final answer
    x = 540,821.81

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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.