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Finding the Fourth Proportional to 544,360.97, 816,707.54 and 278,308.32

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Solution

The fourth proportional to 544,360.97, 816,707.54 and 278,308.32 is: 417,547.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,360.97 : 816,707.54 = 278,308.32 : x
  2. Step 2: Convert to fraction form
    544,360.97/816,707.54 = 278,308.32/x
  3. Step 3: Cross multiply
    544,360.97x = 816,707.54 × 278,308.32
  4. Step 4: Simplify right side
    544,360.97x = 227,296,505,615.83
  5. Step 5: Solve for x
    x = 227,296,505,615.83/544,360.97
  6. Step 6: Final answer
    x = 417,547.39

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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.