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Finding the Fourth Proportional to 965,444.80, 1,447,729.80 and 366,206.80

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Solution

The fourth proportional to 965,444.80, 1,447,729.80 and 366,206.80 is: 549,144.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,444.80 : 1,447,729.80 = 366,206.80 : x
  2. Step 2: Convert to fraction form
    965,444.80/1,447,729.80 = 366,206.80/x
  3. Step 3: Cross multiply
    965,444.80x = 1,447,729.80 × 366,206.80
  4. Step 4: Simplify right side
    965,444.80x = 530,168,497,322.64
  5. Step 5: Solve for x
    x = 530,168,497,322.64/965,444.80
  6. Step 6: Final answer
    x = 549,144.29

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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.