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Finding the Fourth Proportional to 360,458.16, 497,412.08 and 199,303.52

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Solution

The fourth proportional to 360,458.16, 497,412.08 and 199,303.52 is: 275,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,458.16 : 497,412.08 = 199,303.52 : x
  2. Step 2: Convert to fraction form
    360,458.16/497,412.08 = 199,303.52/x
  3. Step 3: Cross multiply
    360,458.16x = 497,412.08 × 199,303.52
  4. Step 4: Simplify right side
    360,458.16x = 99,135,978,434.52
  5. Step 5: Solve for x
    x = 99,135,978,434.52/360,458.16
  6. Step 6: Final answer
    x = 275,027.70

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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.