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Finding the Fourth Proportional to 651,584.12, 898,652.93 and 458,630.57

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Solution

The fourth proportional to 651,584.12, 898,652.93 and 458,630.57 is: 632,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,584.12 : 898,652.93 = 458,630.57 : x
  2. Step 2: Convert to fraction form
    651,584.12/898,652.93 = 458,630.57/x
  3. Step 3: Cross multiply
    651,584.12x = 898,652.93 × 458,630.57
  4. Step 4: Simplify right side
    651,584.12x = 412,149,698,731.65
  5. Step 5: Solve for x
    x = 412,149,698,731.65/651,584.12
  6. Step 6: Final answer
    x = 632,534.91

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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.