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Finding the Fourth Proportional to 374,577, 516,908.40 and 204,811.13

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Solution

The fourth proportional to 374,577, 516,908.40 and 204,811.13 is: 282,635.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,577 : 516,908.40 = 204,811.13 : x
  2. Step 2: Convert to fraction form
    374,577/516,908.40 = 204,811.13/x
  3. Step 3: Cross multiply
    374,577x = 516,908.40 × 204,811.13
  4. Step 4: Simplify right side
    374,577x = 105,868,590,925.95
  5. Step 5: Solve for x
    x = 105,868,590,925.95/374,577
  6. Step 6: Final answer
    x = 282,635.05

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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.