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Finding the Fourth Proportional to 929,993, 1,395,002.46 and 265,145

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Solution

The fourth proportional to 929,993, 1,395,002.46 and 265,145 is: 397,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,993 : 1,395,002.46 = 265,145 : x
  2. Step 2: Convert to fraction form
    929,993/1,395,002.46 = 265,145/x
  3. Step 3: Cross multiply
    929,993x = 1,395,002.46 × 265,145
  4. Step 4: Simplify right side
    929,993x = 369,877,927,256.70
  5. Step 5: Solve for x
    x = 369,877,927,256.70/929,993
  6. Step 6: Final answer
    x = 397,721.19

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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.