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Finding the Fourth Proportional to 606,552.30, 909,828.45 and 577,027.80

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Solution

The fourth proportional to 606,552.30, 909,828.45 and 577,027.80 is: 865,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,552.30 : 909,828.45 = 577,027.80 : x
  2. Step 2: Convert to fraction form
    606,552.30/909,828.45 = 577,027.80/x
  3. Step 3: Cross multiply
    606,552.30x = 909,828.45 × 577,027.80
  4. Step 4: Simplify right side
    606,552.30x = 524,996,308,880.91
  5. Step 5: Solve for x
    x = 524,996,308,880.91/606,552.30
  6. Step 6: Final answer
    x = 865,541.70

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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.