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Finding the Fourth Proportional to 495,804.69, 684,191.21 and 269,445.33

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Solution

The fourth proportional to 495,804.69, 684,191.21 and 269,445.33 is: 371,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,804.69 : 684,191.21 = 269,445.33 : x
  2. Step 2: Convert to fraction form
    495,804.69/684,191.21 = 269,445.33/x
  3. Step 3: Cross multiply
    495,804.69x = 684,191.21 × 269,445.33
  4. Step 4: Simplify right side
    495,804.69x = 184,352,125,014.32
  5. Step 5: Solve for x
    x = 184,352,125,014.32/495,804.69
  6. Step 6: Final answer
    x = 371,824.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.