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Finding the Fourth Proportional to 654,554.56, 903,297.56 and 382,645.68

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Solution

The fourth proportional to 654,554.56, 903,297.56 and 382,645.68 is: 528,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,554.56 : 903,297.56 = 382,645.68 : x
  2. Step 2: Convert to fraction form
    654,554.56/903,297.56 = 382,645.68/x
  3. Step 3: Cross multiply
    654,554.56x = 903,297.56 × 382,645.68
  4. Step 4: Simplify right side
    654,554.56x = 345,642,909,088.54
  5. Step 5: Solve for x
    x = 345,642,909,088.54/654,554.56
  6. Step 6: Final answer
    x = 528,058.21

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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.