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Finding the Fourth Proportional to 664,064.44, 995,341.63 and 583,945.40

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Solution

The fourth proportional to 664,064.44, 995,341.63 and 583,945.40 is: 875,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,064.44 : 995,341.63 = 583,945.40 : x
  2. Step 2: Convert to fraction form
    664,064.44/995,341.63 = 583,945.40/x
  3. Step 3: Cross multiply
    664,064.44x = 995,341.63 × 583,945.40
  4. Step 4: Simplify right side
    664,064.44x = 581,225,169,211.55
  5. Step 5: Solve for x
    x = 581,225,169,211.55/664,064.44
  6. Step 6: Final answer
    x = 875,254.17

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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.