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Finding the Fourth Proportional to 671,239.54, 926,327.64 and 365,332.51

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Solution

The fourth proportional to 671,239.54, 926,327.64 and 365,332.51 is: 504,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,239.54 : 926,327.64 = 365,332.51 : x
  2. Step 2: Convert to fraction form
    671,239.54/926,327.64 = 365,332.51/x
  3. Step 3: Cross multiply
    671,239.54x = 926,327.64 × 365,332.51
  4. Step 4: Simplify right side
    671,239.54x = 338,417,601,803.58
  5. Step 5: Solve for x
    x = 338,417,601,803.58/671,239.54
  6. Step 6: Final answer
    x = 504,168.16

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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.