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Finding the Fourth Proportional to 565,088.63, 779,818.59 and 306,963.23

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Solution

The fourth proportional to 565,088.63, 779,818.59 and 306,963.23 is: 423,607.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,088.63 : 779,818.59 = 306,963.23 : x
  2. Step 2: Convert to fraction form
    565,088.63/779,818.59 = 306,963.23/x
  3. Step 3: Cross multiply
    565,088.63x = 779,818.59 × 306,963.23
  4. Step 4: Simplify right side
    565,088.63x = 239,375,633,200.45
  5. Step 5: Solve for x
    x = 239,375,633,200.45/565,088.63
  6. Step 6: Final answer
    x = 423,607.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.