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Finding the Fourth Proportional to 499,011.91, 748,814.32 and 183,690.25

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Solution

The fourth proportional to 499,011.91, 748,814.32 and 183,690.25 is: 275,644.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,011.91 : 748,814.32 = 183,690.25 : x
  2. Step 2: Convert to fraction form
    499,011.91/748,814.32 = 183,690.25/x
  3. Step 3: Cross multiply
    499,011.91x = 748,814.32 × 183,690.25
  4. Step 4: Simplify right side
    499,011.91x = 137,549,888,001.96
  5. Step 5: Solve for x
    x = 137,549,888,001.96/499,011.91
  6. Step 6: Final answer
    x = 275,644.50

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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.