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Finding the Fourth Proportional to 544,417.83, 816,792.91 and 278,365.19

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Solution

The fourth proportional to 544,417.83, 816,792.91 and 278,365.19 is: 417,632.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,417.83 : 816,792.91 = 278,365.19 : x
  2. Step 2: Convert to fraction form
    544,417.83/816,792.91 = 278,365.19/x
  3. Step 3: Cross multiply
    544,417.83x = 816,792.91 × 278,365.19
  4. Step 4: Simplify right side
    544,417.83x = 227,366,708,802.93
  5. Step 5: Solve for x
    x = 227,366,708,802.93/544,417.83
  6. Step 6: Final answer
    x = 417,632.74

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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.