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Finding the Fourth Proportional to 473,297.69, 653,153.21 and 258,437.75

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Solution

The fourth proportional to 473,297.69, 653,153.21 and 258,437.75 is: 356,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,297.69 : 653,153.21 = 258,437.75 : x
  2. Step 2: Convert to fraction form
    473,297.69/653,153.21 = 258,437.75/x
  3. Step 3: Cross multiply
    473,297.69x = 653,153.21 × 258,437.75
  4. Step 4: Simplify right side
    473,297.69x = 168,799,445,997.68
  5. Step 5: Solve for x
    x = 168,799,445,997.68/473,297.69
  6. Step 6: Final answer
    x = 356,645.40

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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.