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Finding the Fourth Proportional to 536,507.52, 740,444.76 and 321,765.72

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Solution

The fourth proportional to 536,507.52, 740,444.76 and 321,765.72 is: 444,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,507.52 : 740,444.76 = 321,765.72 : x
  2. Step 2: Convert to fraction form
    536,507.52/740,444.76 = 321,765.72/x
  3. Step 3: Cross multiply
    536,507.52x = 740,444.76 × 321,765.72
  4. Step 4: Simplify right side
    536,507.52x = 238,249,741,321.63
  5. Step 5: Solve for x
    x = 238,249,741,321.63/536,507.52
  6. Step 6: Final answer
    x = 444,075.31

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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.