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Finding the Fourth Proportional to 505,299.48, 697,430.56 and 333,248.60

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Solution

The fourth proportional to 505,299.48, 697,430.56 and 333,248.60 is: 459,960.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,299.48 : 697,430.56 = 333,248.60 : x
  2. Step 2: Convert to fraction form
    505,299.48/697,430.56 = 333,248.60/x
  3. Step 3: Cross multiply
    505,299.48x = 697,430.56 × 333,248.60
  4. Step 4: Simplify right side
    505,299.48x = 232,417,757,717.22
  5. Step 5: Solve for x
    x = 232,417,757,717.22/505,299.48
  6. Step 6: Final answer
    x = 459,960.41

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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.