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Finding the Fourth Proportional to 692,568.21, 953,612.33 and 590,364.57

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Solution

The fourth proportional to 692,568.21, 953,612.33 and 590,364.57 is: 812,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,568.21 : 953,612.33 = 590,364.57 : x
  2. Step 2: Convert to fraction form
    692,568.21/953,612.33 = 590,364.57/x
  3. Step 3: Cross multiply
    692,568.21x = 953,612.33 × 590,364.57
  4. Step 4: Simplify right side
    692,568.21x = 562,978,930,195.33
  5. Step 5: Solve for x
    x = 562,978,930,195.33/692,568.21
  6. Step 6: Final answer
    x = 812,885.90

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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.