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Finding the Fourth Proportional to 458,343.02, 632,508.57 and 254,395.70

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Solution

The fourth proportional to 458,343.02, 632,508.57 and 254,395.70 is: 351,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,343.02 : 632,508.57 = 254,395.70 : x
  2. Step 2: Convert to fraction form
    458,343.02/632,508.57 = 254,395.70/x
  3. Step 3: Cross multiply
    458,343.02x = 632,508.57 × 254,395.70
  4. Step 4: Simplify right side
    458,343.02x = 160,907,460,421.15
  5. Step 5: Solve for x
    x = 160,907,460,421.15/458,343.02
  6. Step 6: Final answer
    x = 351,063.40

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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.