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Finding the Fourth Proportional to 354,613.50, 531,918.99 and 88,374.24

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Solution

The fourth proportional to 354,613.50, 531,918.99 and 88,374.24 is: 132,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,613.50 : 531,918.99 = 88,374.24 : x
  2. Step 2: Convert to fraction form
    354,613.50/531,918.99 = 88,374.24/x
  3. Step 3: Cross multiply
    354,613.50x = 531,918.99 × 88,374.24
  4. Step 4: Simplify right side
    354,613.50x = 47,007,936,482.82
  5. Step 5: Solve for x
    x = 47,007,936,482.82/354,613.50
  6. Step 6: Final answer
    x = 132,561.05

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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.