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Finding the Fourth Proportional to 553,570.08, 764,069.22 and 360,459.80

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Solution

The fourth proportional to 553,570.08, 764,069.22 and 360,459.80 is: 497,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,570.08 : 764,069.22 = 360,459.80 : x
  2. Step 2: Convert to fraction form
    553,570.08/764,069.22 = 360,459.80/x
  3. Step 3: Cross multiply
    553,570.08x = 764,069.22 × 360,459.80
  4. Step 4: Simplify right side
    553,570.08x = 275,416,240,137.53
  5. Step 5: Solve for x
    x = 275,416,240,137.53/553,570.08
  6. Step 6: Final answer
    x = 497,527.32

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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.