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Finding the Fourth Proportional to 366,005.70, 549,008.55 and 188,858.70

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Solution

The fourth proportional to 366,005.70, 549,008.55 and 188,858.70 is: 283,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,005.70 : 549,008.55 = 188,858.70 : x
  2. Step 2: Convert to fraction form
    366,005.70/549,008.55 = 188,858.70/x
  3. Step 3: Cross multiply
    366,005.70x = 549,008.55 × 188,858.70
  4. Step 4: Simplify right side
    366,005.70x = 103,685,041,041.89
  5. Step 5: Solve for x
    x = 103,685,041,041.89/366,005.70
  6. Step 6: Final answer
    x = 283,288.05

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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.