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Finding the Fourth Proportional to 366,858.20, 549,365.70 and 293,130.20

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Solution

The fourth proportional to 366,858.20, 549,365.70 and 293,130.20 is: 438,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,858.20 : 549,365.70 = 293,130.20 : x
  2. Step 2: Convert to fraction form
    366,858.20/549,365.70 = 293,130.20/x
  3. Step 3: Cross multiply
    366,858.20x = 549,365.70 × 293,130.20
  4. Step 4: Simplify right side
    366,858.20x = 161,035,677,514.14
  5. Step 5: Solve for x
    x = 161,035,677,514.14/366,858.20
  6. Step 6: Final answer
    x = 438,958.92

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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.