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Finding the Fourth Proportional to 366,855.80, 549,603.30 and 208,614.20

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Solution

The fourth proportional to 366,855.80, 549,603.30 and 208,614.20 is: 312,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,855.80 : 549,603.30 = 208,614.20 : x
  2. Step 2: Convert to fraction form
    366,855.80/549,603.30 = 208,614.20/x
  3. Step 3: Cross multiply
    366,855.80x = 549,603.30 × 208,614.20
  4. Step 4: Simplify right side
    366,855.80x = 114,655,052,746.86
  5. Step 5: Solve for x
    x = 114,655,052,746.86/366,855.80
  6. Step 6: Final answer
    x = 312,534.39

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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.