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Finding the Fourth Proportional to 352,963, 529,146.76 and 153,133.08

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Solution

The fourth proportional to 352,963, 529,146.76 and 153,133.08 is: 229,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,963 : 529,146.76 = 153,133.08 : x
  2. Step 2: Convert to fraction form
    352,963/529,146.76 = 153,133.08/x
  3. Step 3: Cross multiply
    352,963x = 529,146.76 × 153,133.08
  4. Step 4: Simplify right side
    352,963x = 81,029,873,130.82
  5. Step 5: Solve for x
    x = 81,029,873,130.82/352,963
  6. Step 6: Final answer
    x = 229,570.45

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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.