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Finding the Fourth Proportional to 382,559.04, 528,073.56 and 328,627.60

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Solution

The fourth proportional to 382,559.04, 528,073.56 and 328,627.60 is: 453,628.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,559.04 : 528,073.56 = 328,627.60 : x
  2. Step 2: Convert to fraction form
    382,559.04/528,073.56 = 328,627.60/x
  3. Step 3: Cross multiply
    382,559.04x = 528,073.56 × 328,627.60
  4. Step 4: Simplify right side
    382,559.04x = 173,539,546,646.26
  5. Step 5: Solve for x
    x = 173,539,546,646.26/382,559.04
  6. Step 6: Final answer
    x = 453,628.14

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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.