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Finding the Fourth Proportional to 374,254.32, 516,464.88 and 204,484.80

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Solution

The fourth proportional to 374,254.32, 516,464.88 and 204,484.80 is: 282,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,254.32 : 516,464.88 = 204,484.80 : x
  2. Step 2: Convert to fraction form
    374,254.32/516,464.88 = 204,484.80/x
  3. Step 3: Cross multiply
    374,254.32x = 516,464.88 × 204,484.80
  4. Step 4: Simplify right side
    374,254.32x = 105,609,217,693.82
  5. Step 5: Solve for x
    x = 105,609,217,693.82/374,254.32
  6. Step 6: Final answer
    x = 282,185.70

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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.