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Finding the Fourth Proportional to 585,118.80, 875,928.60 and 550,515.60

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Solution

The fourth proportional to 585,118.80, 875,928.60 and 550,515.60 is: 824,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,118.80 : 875,928.60 = 550,515.60 : x
  2. Step 2: Convert to fraction form
    585,118.80/875,928.60 = 550,515.60/x
  3. Step 3: Cross multiply
    585,118.80x = 875,928.60 × 550,515.60
  4. Step 4: Simplify right side
    585,118.80x = 482,212,358,786.16
  5. Step 5: Solve for x
    x = 482,212,358,786.16/585,118.80
  6. Step 6: Final answer
    x = 824,127.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.