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Finding the Fourth Proportional to 647,259.84, 893,248.83 and 360,782.01

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Solution

The fourth proportional to 647,259.84, 893,248.83 and 360,782.01 is: 497,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,259.84 : 893,248.83 = 360,782.01 : x
  2. Step 2: Convert to fraction form
    647,259.84/893,248.83 = 360,782.01/x
  3. Step 3: Cross multiply
    647,259.84x = 893,248.83 × 360,782.01
  4. Step 4: Simplify right side
    647,259.84x = 322,268,108,317.55
  5. Step 5: Solve for x
    x = 322,268,108,317.55/647,259.84
  6. Step 6: Final answer
    x = 497,896.04

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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.