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Finding the Fourth Proportional to 654,529.47, 903,256.05 and 368,047.05

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Solution

The fourth proportional to 654,529.47, 903,256.05 and 368,047.05 is: 507,907.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,529.47 : 903,256.05 = 368,047.05 : x
  2. Step 2: Convert to fraction form
    654,529.47/903,256.05 = 368,047.05/x
  3. Step 3: Cross multiply
    654,529.47x = 903,256.05 × 368,047.05
  4. Step 4: Simplify right side
    654,529.47x = 332,440,724,597.15
  5. Step 5: Solve for x
    x = 332,440,724,597.15/654,529.47
  6. Step 6: Final answer
    x = 507,907.96

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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.