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Finding the Fourth Proportional to 374,458.01, 516,692.32 and 213,316.20

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Solution

The fourth proportional to 374,458.01, 516,692.32 and 213,316.20 is: 294,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,458.01 : 516,692.32 = 213,316.20 : x
  2. Step 2: Convert to fraction form
    374,458.01/516,692.32 = 213,316.20/x
  3. Step 3: Cross multiply
    374,458.01x = 516,692.32 × 213,316.20
  4. Step 4: Simplify right side
    374,458.01x = 110,218,841,738.29
  5. Step 5: Solve for x
    x = 110,218,841,738.29/374,458.01
  6. Step 6: Final answer
    x = 294,342.33

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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.