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Finding the Fourth Proportional to 310,023.58, 465,079.11 and 99,590.98

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Solution

The fourth proportional to 310,023.58, 465,079.11 and 99,590.98 is: 149,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,023.58 : 465,079.11 = 99,590.98 : x
  2. Step 2: Convert to fraction form
    310,023.58/465,079.11 = 99,590.98/x
  3. Step 3: Cross multiply
    310,023.58x = 465,079.11 × 99,590.98
  4. Step 4: Simplify right side
    310,023.58x = 46,317,684,342.43
  5. Step 5: Solve for x
    x = 46,317,684,342.43/310,023.58
  6. Step 6: Final answer
    x = 149,400.52

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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.