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Finding the Fourth Proportional to 366,324.40, 549,486.60 and 260,036.20

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Solution

The fourth proportional to 366,324.40, 549,486.60 and 260,036.20 is: 390,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,324.40 : 549,486.60 = 260,036.20 : x
  2. Step 2: Convert to fraction form
    366,324.40/549,486.60 = 260,036.20/x
  3. Step 3: Cross multiply
    366,324.40x = 549,486.60 × 260,036.20
  4. Step 4: Simplify right side
    366,324.40x = 142,886,407,414.92
  5. Step 5: Solve for x
    x = 142,886,407,414.92/366,324.40
  6. Step 6: Final answer
    x = 390,054.30

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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.