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Finding the Fourth Proportional to 458,282, 632,433.48 and 257,082.32

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Solution

The fourth proportional to 458,282, 632,433.48 and 257,082.32 is: 354,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,282 : 632,433.48 = 257,082.32 : x
  2. Step 2: Convert to fraction form
    458,282/632,433.48 = 257,082.32/x
  3. Step 3: Cross multiply
    458,282x = 632,433.48 × 257,082.32
  4. Step 4: Simplify right side
    458,282x = 162,587,466,284.07
  5. Step 5: Solve for x
    x = 162,587,466,284.07/458,282
  6. Step 6: Final answer
    x = 354,776.02

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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.