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Finding the Fourth Proportional to 707,116.66, 975,802.29 and 384,819.83

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Solution

The fourth proportional to 707,116.66, 975,802.29 and 384,819.83 is: 531,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,116.66 : 975,802.29 = 384,819.83 : x
  2. Step 2: Convert to fraction form
    707,116.66/975,802.29 = 384,819.83/x
  3. Step 3: Cross multiply
    707,116.66x = 975,802.29 × 384,819.83
  4. Step 4: Simplify right side
    707,116.66x = 375,508,071,351.41
  5. Step 5: Solve for x
    x = 375,508,071,351.41/707,116.66
  6. Step 6: Final answer
    x = 531,041.19

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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.