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Finding the Fourth Proportional to 469,907.23, 648,442.45 and 265,999.54

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Solution

The fourth proportional to 469,907.23, 648,442.45 and 265,999.54 is: 367,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,907.23 : 648,442.45 = 265,999.54 : x
  2. Step 2: Convert to fraction form
    469,907.23/648,442.45 = 265,999.54/x
  3. Step 3: Cross multiply
    469,907.23x = 648,442.45 × 265,999.54
  4. Step 4: Simplify right side
    469,907.23x = 172,485,393,416.47
  5. Step 5: Solve for x
    x = 172,485,393,416.47/469,907.23
  6. Step 6: Final answer
    x = 367,062.65

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1.5x scale

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.