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Finding the Fourth Proportional to 583,453.59, 805,164.75 and 315,181.59

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Solution

The fourth proportional to 583,453.59, 805,164.75 and 315,181.59 is: 434,949.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,453.59 : 805,164.75 = 315,181.59 : x
  2. Step 2: Convert to fraction form
    583,453.59/805,164.75 = 315,181.59/x
  3. Step 3: Cross multiply
    583,453.59x = 805,164.75 × 315,181.59
  4. Step 4: Simplify right side
    583,453.59x = 253,773,106,116.95
  5. Step 5: Solve for x
    x = 253,773,106,116.95/583,453.59
  6. Step 6: Final answer
    x = 434,949.94

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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.