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Finding the Fourth Proportional to 534,512.09, 737,602.53 and 319,770.56

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Solution

The fourth proportional to 534,512.09, 737,602.53 and 319,770.56 is: 441,268.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,512.09 : 737,602.53 = 319,770.56 : x
  2. Step 2: Convert to fraction form
    534,512.09/737,602.53 = 319,770.56/x
  3. Step 3: Cross multiply
    534,512.09x = 737,602.53 × 319,770.56
  4. Step 4: Simplify right side
    534,512.09x = 235,863,574,075.52
  5. Step 5: Solve for x
    x = 235,863,574,075.52/534,512.09
  6. Step 6: Final answer
    x = 441,268.92

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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.