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Finding the Fourth Proportional to 501,681.94, 692,321.09 and 300,477.94

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Solution

The fourth proportional to 501,681.94, 692,321.09 and 300,477.94 is: 414,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,681.94 : 692,321.09 = 300,477.94 : x
  2. Step 2: Convert to fraction form
    501,681.94/692,321.09 = 300,477.94/x
  3. Step 3: Cross multiply
    501,681.94x = 692,321.09 × 300,477.94
  4. Step 4: Simplify right side
    501,681.94x = 208,027,211,708.56
  5. Step 5: Solve for x
    x = 208,027,211,708.56/501,681.94
  6. Step 6: Final answer
    x = 414,659.56

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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.