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Finding the Fourth Proportional to 647,295.89, 893,651.05 and 575,477.16

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Solution

The fourth proportional to 647,295.89, 893,651.05 and 575,477.16 is: 794,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,295.89 : 893,651.05 = 575,477.16 : x
  2. Step 2: Convert to fraction form
    647,295.89/893,651.05 = 575,477.16/x
  3. Step 3: Cross multiply
    647,295.89x = 893,651.05 × 575,477.16
  4. Step 4: Simplify right side
    647,295.89x = 514,275,768,285.02
  5. Step 5: Solve for x
    x = 514,275,768,285.02/647,295.89
  6. Step 6: Final answer
    x = 794,498.74

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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.