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Finding the Fourth Proportional to 649,675.56, 896,526.56 and 359,268.28

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Solution

The fourth proportional to 649,675.56, 896,526.56 and 359,268.28 is: 495,776.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,675.56 : 896,526.56 = 359,268.28 : x
  2. Step 2: Convert to fraction form
    649,675.56/896,526.56 = 359,268.28/x
  3. Step 3: Cross multiply
    649,675.56x = 896,526.56 × 359,268.28
  4. Step 4: Simplify right side
    649,675.56x = 322,093,553,842.37
  5. Step 5: Solve for x
    x = 322,093,553,842.37/649,675.56
  6. Step 6: Final answer
    x = 495,776.00

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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.