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Finding the Fourth Proportional to 352,201.04, 528,282.04 and 257,528.24

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Solution

The fourth proportional to 352,201.04, 528,282.04 and 257,528.24 is: 386,278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,201.04 : 528,282.04 = 257,528.24 : x
  2. Step 2: Convert to fraction form
    352,201.04/528,282.04 = 257,528.24/x
  3. Step 3: Cross multiply
    352,201.04x = 528,282.04 × 257,528.24
  4. Step 4: Simplify right side
    352,201.04x = 136,047,543,984.81
  5. Step 5: Solve for x
    x = 136,047,543,984.81/352,201.04
  6. Step 6: Final answer
    x = 386,278.09

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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.