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Finding the Fourth Proportional to 365,534.79, 503,941.95 and 256,490.97

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Solution

The fourth proportional to 365,534.79, 503,941.95 and 256,490.97 is: 353,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,534.79 : 503,941.95 = 256,490.97 : x
  2. Step 2: Convert to fraction form
    365,534.79/503,941.95 = 256,490.97/x
  3. Step 3: Cross multiply
    365,534.79x = 503,941.95 × 256,490.97
  4. Step 4: Simplify right side
    365,534.79x = 129,256,559,579.19
  5. Step 5: Solve for x
    x = 129,256,559,579.19/365,534.79
  6. Step 6: Final answer
    x = 353,609.46

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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.