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Finding the Fourth Proportional to 567,232.93, 782,771.40 and 309,112.19

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Solution

The fourth proportional to 567,232.93, 782,771.40 and 309,112.19 is: 426,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,232.93 : 782,771.40 = 309,112.19 : x
  2. Step 2: Convert to fraction form
    567,232.93/782,771.40 = 309,112.19/x
  3. Step 3: Cross multiply
    567,232.93x = 782,771.40 × 309,112.19
  4. Step 4: Simplify right side
    567,232.93x = 241,964,177,809.51
  5. Step 5: Solve for x
    x = 241,964,177,809.51/567,232.93
  6. Step 6: Final answer
    x = 426,569.34

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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.