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Finding the Fourth Proportional to 473,262.35, 653,128.52 and 258,422.40

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Solution

The fourth proportional to 473,262.35, 653,128.52 and 258,422.40 is: 356,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,262.35 : 653,128.52 = 258,422.40 : x
  2. Step 2: Convert to fraction form
    473,262.35/653,128.52 = 258,422.40/x
  3. Step 3: Cross multiply
    473,262.35x = 653,128.52 × 258,422.40
  4. Step 4: Simplify right side
    473,262.35x = 168,783,038,354.74
  5. Step 5: Solve for x
    x = 168,783,038,354.74/473,262.35
  6. Step 6: Final answer
    x = 356,637.37

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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.