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Finding the Fourth Proportional to 273,613.95, 410,420.93 and 155,515.95

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Solution

The fourth proportional to 273,613.95, 410,420.93 and 155,515.95 is: 233,273.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,613.95 : 410,420.93 = 155,515.95 : x
  2. Step 2: Convert to fraction form
    273,613.95/410,420.93 = 155,515.95/x
  3. Step 3: Cross multiply
    273,613.95x = 410,420.93 × 155,515.95
  4. Step 4: Simplify right side
    273,613.95x = 63,827,000,051.25
  5. Step 5: Solve for x
    x = 63,827,000,051.25/273,613.95
  6. Step 6: Final answer
    x = 233,273.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.