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Finding the Fourth Proportional to 536,643.55, 804,965.33 and 528,770.35

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Solution

The fourth proportional to 536,643.55, 804,965.33 and 528,770.35 is: 793,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,643.55 : 804,965.33 = 528,770.35 : x
  2. Step 2: Convert to fraction form
    536,643.55/804,965.33 = 528,770.35/x
  3. Step 3: Cross multiply
    536,643.55x = 804,965.33 × 528,770.35
  4. Step 4: Simplify right side
    536,643.55x = 425,641,796,638.11
  5. Step 5: Solve for x
    x = 425,641,796,638.11/536,643.55
  6. Step 6: Final answer
    x = 793,155.53

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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.