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Finding the Fourth Proportional to 360,670.85, 497,569.32 and 217,349.45

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Solution

The fourth proportional to 360,670.85, 497,569.32 and 217,349.45 is: 299,847.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,670.85 : 497,569.32 = 217,349.45 : x
  2. Step 2: Convert to fraction form
    360,670.85/497,569.32 = 217,349.45/x
  3. Step 3: Cross multiply
    360,670.85x = 497,569.32 × 217,349.45
  4. Step 4: Simplify right side
    360,670.85x = 108,146,418,038.87
  5. Step 5: Solve for x
    x = 108,146,418,038.87/360,670.85
  6. Step 6: Final answer
    x = 299,847.96

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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.