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Finding the Fourth Proportional to 367,555.20, 551,332.80 and 277,742.40

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Solution

The fourth proportional to 367,555.20, 551,332.80 and 277,742.40 is: 416,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,555.20 : 551,332.80 = 277,742.40 : x
  2. Step 2: Convert to fraction form
    367,555.20/551,332.80 = 277,742.40/x
  3. Step 3: Cross multiply
    367,555.20x = 551,332.80 × 277,742.40
  4. Step 4: Simplify right side
    367,555.20x = 153,128,495,070.72
  5. Step 5: Solve for x
    x = 153,128,495,070.72/367,555.20
  6. Step 6: Final answer
    x = 416,613.60

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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.