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Finding the Fourth Proportional to 366,903.30, 549,917.55 and 153,670.80

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Solution

The fourth proportional to 366,903.30, 549,917.55 and 153,670.80 is: 230,323.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,903.30 : 549,917.55 = 153,670.80 : x
  2. Step 2: Convert to fraction form
    366,903.30/549,917.55 = 153,670.80/x
  3. Step 3: Cross multiply
    366,903.30x = 549,917.55 × 153,670.80
  4. Step 4: Simplify right side
    366,903.30x = 84,506,269,842.54
  5. Step 5: Solve for x
    x = 84,506,269,842.54/366,903.30
  6. Step 6: Final answer
    x = 230,323.00

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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.