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Finding the Fourth Proportional to 583,453.86, 805,316.14 and 380,011.74

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Solution

The fourth proportional to 583,453.86, 805,316.14 and 380,011.74 is: 524,513.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,453.86 : 805,316.14 = 380,011.74 : x
  2. Step 2: Convert to fraction form
    583,453.86/805,316.14 = 380,011.74/x
  3. Step 3: Cross multiply
    583,453.86x = 805,316.14 × 380,011.74
  4. Step 4: Simplify right side
    583,453.86x = 306,029,587,611.48
  5. Step 5: Solve for x
    x = 306,029,587,611.48/583,453.86
  6. Step 6: Final answer
    x = 524,513.78

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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.