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Finding the Fourth Proportional to 270,692.52, 373,547.26 and 155,971.38

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Solution

The fourth proportional to 270,692.52, 373,547.26 and 155,971.38 is: 215,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,692.52 : 373,547.26 = 155,971.38 : x
  2. Step 2: Convert to fraction form
    270,692.52/373,547.26 = 155,971.38/x
  3. Step 3: Cross multiply
    270,692.52x = 373,547.26 × 155,971.38
  4. Step 4: Simplify right side
    270,692.52x = 58,262,681,637.42
  5. Step 5: Solve for x
    x = 58,262,681,637.42/270,692.52
  6. Step 6: Final answer
    x = 215,235.65

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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.