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Finding the Fourth Proportional to 495,508.86, 683,802.90 and 269,154.36

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Solution

The fourth proportional to 495,508.86, 683,802.90 and 269,154.36 is: 371,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,508.86 : 683,802.90 = 269,154.36 : x
  2. Step 2: Convert to fraction form
    495,508.86/683,802.90 = 269,154.36/x
  3. Step 3: Cross multiply
    495,508.86x = 683,802.90 × 269,154.36
  4. Step 4: Simplify right side
    495,508.86x = 184,048,531,915.64
  5. Step 5: Solve for x
    x = 184,048,531,915.64/495,508.86
  6. Step 6: Final answer
    x = 371,433.38

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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.