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Finding the Fourth Proportional to 717,779.86, 1,076,673.86 and 185,264.48

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Solution

The fourth proportional to 717,779.86, 1,076,673.86 and 185,264.48 is: 277,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,779.86 : 1,076,673.86 = 185,264.48 : x
  2. Step 2: Convert to fraction form
    717,779.86/1,076,673.86 = 185,264.48/x
  3. Step 3: Cross multiply
    717,779.86x = 1,076,673.86 × 185,264.48
  4. Step 4: Simplify right side
    717,779.86x = 199,469,422,802.49
  5. Step 5: Solve for x
    x = 199,469,422,802.49/717,779.86
  6. Step 6: Final answer
    x = 277,897.77

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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.