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Finding the Fourth Proportional to 366,319.60, 549,479.40 and 277,746.10

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Solution

The fourth proportional to 366,319.60, 549,479.40 and 277,746.10 is: 416,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,319.60 : 549,479.40 = 277,746.10 : x
  2. Step 2: Convert to fraction form
    366,319.60/549,479.40 = 277,746.10/x
  3. Step 3: Cross multiply
    366,319.60x = 549,479.40 × 277,746.10
  4. Step 4: Simplify right side
    366,319.60x = 152,615,760,380.34
  5. Step 5: Solve for x
    x = 152,615,760,380.34/366,319.60
  6. Step 6: Final answer
    x = 416,619.15

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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.