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Finding the Fourth Proportional to 693,058.89, 956,453.09 and 383,005.07

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Solution

The fourth proportional to 693,058.89, 956,453.09 and 383,005.07 is: 528,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,058.89 : 956,453.09 = 383,005.07 : x
  2. Step 2: Convert to fraction form
    693,058.89/956,453.09 = 383,005.07/x
  3. Step 3: Cross multiply
    693,058.89x = 956,453.09 × 383,005.07
  4. Step 4: Simplify right side
    693,058.89x = 366,326,375,989.88
  5. Step 5: Solve for x
    x = 366,326,375,989.88/693,058.89
  6. Step 6: Final answer
    x = 528,564.57

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1.5x scale

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.