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Finding the Fourth Proportional to 552,633,303.88, 762,358,642.58 and 329,457,728.66

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Solution

The fourth proportional to 552,633,303.88, 762,358,642.58 and 329,457,728.66 is: 454,487,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,633,303.88 : 762,358,642.58 = 329,457,728.66 : x
  2. Step 2: Convert to fraction form
    552,633,303.88/762,358,642.58 = 329,457,728.66/x
  3. Step 3: Cross multiply
    552,633,303.88x = 762,358,642.58 × 329,457,728.66
  4. Step 4: Simplify right side
    552,633,303.88x = 251,164,946,807,080,320
  5. Step 5: Solve for x
    x = 251,164,946,807,080,320/552,633,303.88
  6. Step 6: Final answer
    x = 454,487,532.77

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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.