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Finding the Fourth Proportional to 539,257.63, 744,445.16 and 335,374.22

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Solution

The fourth proportional to 539,257.63, 744,445.16 and 335,374.22 is: 462,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,257.63 : 744,445.16 = 335,374.22 : x
  2. Step 2: Convert to fraction form
    539,257.63/744,445.16 = 335,374.22/x
  3. Step 3: Cross multiply
    539,257.63x = 744,445.16 × 335,374.22
  4. Step 4: Simplify right side
    539,257.63x = 249,667,710,726.33
  5. Step 5: Solve for x
    x = 249,667,710,726.33/539,257.63
  6. Step 6: Final answer
    x = 462,984.11

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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.