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Finding the Fourth Proportional to 655,832,161.64, 983,920,529.64 and 235,695,946.16

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Solution

The fourth proportional to 655,832,161.64, 983,920,529.64 and 235,695,946.16 is: 353,605,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,832,161.64 : 983,920,529.64 = 235,695,946.16 : x
  2. Step 2: Convert to fraction form
    655,832,161.64/983,920,529.64 = 235,695,946.16/x
  3. Step 3: Cross multiply
    655,832,161.64x = 983,920,529.64 × 235,695,946.16
  4. Step 4: Simplify right side
    655,832,161.64x = 231,906,080,179,748,128
  5. Step 5: Solve for x
    x = 231,906,080,179,748,128/655,832,161.64
  6. Step 6: Final answer
    x = 353,605,836.59

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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.