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Finding the Fourth Proportional to 357,080.15, 535,417.24 and 275,998.49

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Solution

The fourth proportional to 357,080.15, 535,417.24 and 275,998.49 is: 413,840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,080.15 : 535,417.24 = 275,998.49 : x
  2. Step 2: Convert to fraction form
    357,080.15/535,417.24 = 275,998.49/x
  3. Step 3: Cross multiply
    357,080.15x = 535,417.24 × 275,998.49
  4. Step 4: Simplify right side
    357,080.15x = 147,774,348,918.20
  5. Step 5: Solve for x
    x = 147,774,348,918.20/357,080.15
  6. Step 6: Final answer
    x = 413,840.84

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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.