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Finding the Fourth Proportional to 647,320.43, 893,684.93 and 575,501.69

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Solution

The fourth proportional to 647,320.43, 893,684.93 and 575,501.69 is: 794,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,320.43 : 893,684.93 = 575,501.69 : x
  2. Step 2: Convert to fraction form
    647,320.43/893,684.93 = 575,501.69/x
  3. Step 3: Cross multiply
    647,320.43x = 893,684.93 × 575,501.69
  4. Step 4: Simplify right side
    647,320.43x = 514,317,186,899.24
  5. Step 5: Solve for x
    x = 514,317,186,899.24/647,320.43
  6. Step 6: Final answer
    x = 794,532.60

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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.