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Finding the Fourth Proportional to 357,254.37, 536,012.42 and 257,527.17

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Solution

The fourth proportional to 357,254.37, 536,012.42 and 257,527.17 is: 386,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,254.37 : 536,012.42 = 257,527.17 : x
  2. Step 2: Convert to fraction form
    357,254.37/536,012.42 = 257,527.17/x
  3. Step 3: Cross multiply
    357,254.37x = 536,012.42 × 257,527.17
  4. Step 4: Simplify right side
    357,254.37x = 138,037,760,319.82
  5. Step 5: Solve for x
    x = 138,037,760,319.82/357,254.37
  6. Step 6: Final answer
    x = 386,385.09

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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.