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Finding the Fourth Proportional to 655,555.72, 983,333.58 and 374,876.68

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Solution

The fourth proportional to 655,555.72, 983,333.58 and 374,876.68 is: 562,315.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,555.72 : 983,333.58 = 374,876.68 : x
  2. Step 2: Convert to fraction form
    655,555.72/983,333.58 = 374,876.68/x
  3. Step 3: Cross multiply
    655,555.72x = 983,333.58 × 374,876.68
  4. Step 4: Simplify right side
    655,555.72x = 368,628,827,802.91
  5. Step 5: Solve for x
    x = 368,628,827,802.91/655,555.72
  6. Step 6: Final answer
    x = 562,315.02

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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.