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Finding the Fourth Proportional to 583,599.63, 805,367.49 and 315,327.63

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Solution

The fourth proportional to 583,599.63, 805,367.49 and 315,327.63 is: 435,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,599.63 : 805,367.49 = 315,327.63 : x
  2. Step 2: Convert to fraction form
    583,599.63/805,367.49 = 315,327.63/x
  3. Step 3: Cross multiply
    583,599.63x = 805,367.49 × 315,327.63
  4. Step 4: Simplify right side
    583,599.63x = 253,954,621,900.75
  5. Step 5: Solve for x
    x = 253,954,621,900.75/583,599.63
  6. Step 6: Final answer
    x = 435,152.13

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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.