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Finding the Fourth Proportional to 472,907.34, 652,612.08 and 303,141.45

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Solution

The fourth proportional to 472,907.34, 652,612.08 and 303,141.45 is: 418,335.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,907.34 : 652,612.08 = 303,141.45 : x
  2. Step 2: Convert to fraction form
    472,907.34/652,612.08 = 303,141.45/x
  3. Step 3: Cross multiply
    472,907.34x = 652,612.08 × 303,141.45
  4. Step 4: Simplify right side
    472,907.34x = 197,833,772,218.72
  5. Step 5: Solve for x
    x = 197,833,772,218.72/472,907.34
  6. Step 6: Final answer
    x = 418,335.17

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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.