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Finding the Fourth Proportional to 500,625.40, 750,713.64 and 298,316.92

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Solution

The fourth proportional to 500,625.40, 750,713.64 and 298,316.92 is: 447,341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,625.40 : 750,713.64 = 298,316.92 : x
  2. Step 2: Convert to fraction form
    500,625.40/750,713.64 = 298,316.92/x
  3. Step 3: Cross multiply
    500,625.40x = 750,713.64 × 298,316.92
  4. Step 4: Simplify right side
    500,625.40x = 223,950,580,886.79
  5. Step 5: Solve for x
    x = 223,950,580,886.79/500,625.40
  6. Step 6: Final answer
    x = 447,341.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.