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Finding the Fourth Proportional to 458,841.12, 633,430.98 and 286,854.66

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Solution

The fourth proportional to 458,841.12, 633,430.98 and 286,854.66 is: 396,003.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,841.12 : 633,430.98 = 286,854.66 : x
  2. Step 2: Convert to fraction form
    458,841.12/633,430.98 = 286,854.66/x
  3. Step 3: Cross multiply
    458,841.12x = 633,430.98 × 286,854.66
  4. Step 4: Simplify right side
    458,841.12x = 181,702,628,401.37
  5. Step 5: Solve for x
    x = 181,702,628,401.37/458,841.12
  6. Step 6: Final answer
    x = 396,003.37

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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.