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Finding the Fourth Proportional to 495,188.85, 683,363.49 and 291,248.37

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Solution

The fourth proportional to 495,188.85, 683,363.49 and 291,248.37 is: 401,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,188.85 : 683,363.49 = 291,248.37 : x
  2. Step 2: Convert to fraction form
    495,188.85/683,363.49 = 291,248.37/x
  3. Step 3: Cross multiply
    495,188.85x = 683,363.49 × 291,248.37
  4. Step 4: Simplify right side
    495,188.85x = 199,028,502,580.01
  5. Step 5: Solve for x
    x = 199,028,502,580.01/495,188.85
  6. Step 6: Final answer
    x = 401,924.44

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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.