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Finding the Fourth Proportional to 352,366.02, 528,376.80 and 245,801.05

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Solution

The fourth proportional to 352,366.02, 528,376.80 and 245,801.05 is: 368,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,366.02 : 528,376.80 = 245,801.05 : x
  2. Step 2: Convert to fraction form
    352,366.02/528,376.80 = 245,801.05/x
  3. Step 3: Cross multiply
    352,366.02x = 528,376.80 × 245,801.05
  4. Step 4: Simplify right side
    352,366.02x = 129,875,572,235.64
  5. Step 5: Solve for x
    x = 129,875,572,235.64/352,366.02
  6. Step 6: Final answer
    x = 368,581.43

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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.