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Finding the Fourth Proportional to 528,862, 793,293 and 134,878

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Solution

The fourth proportional to 528,862, 793,293 and 134,878 is: 202,317

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,862 : 793,293 = 134,878 : x
  2. Step 2: Convert to fraction form
    528,862/793,293 = 134,878/x
  3. Step 3: Cross multiply
    528,862x = 793,293 × 134,878
  4. Step 4: Simplify right side
    528,862x = 106,997,773,254
  5. Step 5: Solve for x
    x = 106,997,773,254/528,862
  6. Step 6: Final answer
    x = 202,317

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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.