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Finding the Fourth Proportional to 577,510.92, 865,544.67 and 277,911.07

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Solution

The fourth proportional to 577,510.92, 865,544.67 and 277,911.07 is: 416,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,510.92 : 865,544.67 = 277,911.07 : x
  2. Step 2: Convert to fraction form
    577,510.92/865,544.67 = 277,911.07/x
  3. Step 3: Cross multiply
    577,510.92x = 865,544.67 × 277,911.07
  4. Step 4: Simplify right side
    577,510.92x = 240,544,443,208.64
  5. Step 5: Solve for x
    x = 240,544,443,208.64/577,510.92
  6. Step 6: Final answer
    x = 416,519.30

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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.