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Finding the Fourth Proportional to 536,636.80, 804,955.20 and 528,763.60

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Solution

The fourth proportional to 536,636.80, 804,955.20 and 528,763.60 is: 793,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,636.80 : 804,955.20 = 528,763.60 : x
  2. Step 2: Convert to fraction form
    536,636.80/804,955.20 = 528,763.60/x
  3. Step 3: Cross multiply
    536,636.80x = 804,955.20 × 528,763.60
  4. Step 4: Simplify right side
    536,636.80x = 425,631,009,390.72
  5. Step 5: Solve for x
    x = 425,631,009,390.72/536,636.80
  6. Step 6: Final answer
    x = 793,145.40

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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.