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Finding the Fourth Proportional to 684,559.63, 944,403.02 and 458,278.03

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Solution

The fourth proportional to 684,559.63, 944,403.02 and 458,278.03 is: 632,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,559.63 : 944,403.02 = 458,278.03 : x
  2. Step 2: Convert to fraction form
    684,559.63/944,403.02 = 458,278.03/x
  3. Step 3: Cross multiply
    684,559.63x = 944,403.02 × 458,278.03
  4. Step 4: Simplify right side
    684,559.63x = 432,799,150,879.25
  5. Step 5: Solve for x
    x = 432,799,150,879.25/684,559.63
  6. Step 6: Final answer
    x = 632,230.03

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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.