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Finding the Fourth Proportional to 464,007.20, 696,010.80 and 264,941.60

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Solution

The fourth proportional to 464,007.20, 696,010.80 and 264,941.60 is: 397,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,007.20 : 696,010.80 = 264,941.60 : x
  2. Step 2: Convert to fraction form
    464,007.20/696,010.80 = 264,941.60/x
  3. Step 3: Cross multiply
    464,007.20x = 696,010.80 × 264,941.60
  4. Step 4: Simplify right side
    464,007.20x = 184,402,214,969.28
  5. Step 5: Solve for x
    x = 184,402,214,969.28/464,007.20
  6. Step 6: Final answer
    x = 397,412.40

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Similar ratio
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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.