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Finding the Fourth Proportional to 505,291.10, 697,418.98 and 333,240.14

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Solution

The fourth proportional to 505,291.10, 697,418.98 and 333,240.14 is: 459,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,291.10 : 697,418.98 = 333,240.14 : x
  2. Step 2: Convert to fraction form
    505,291.10/697,418.98 = 333,240.14/x
  3. Step 3: Cross multiply
    505,291.10x = 697,418.98 × 333,240.14
  4. Step 4: Simplify right side
    505,291.10x = 232,407,999,444.30
  5. Step 5: Solve for x
    x = 232,407,999,444.30/505,291.10
  6. Step 6: Final answer
    x = 459,948.73

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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.