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Finding the Fourth Proportional to 476,729.95, 657,726.72 and 269,970.07

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Solution

The fourth proportional to 476,729.95, 657,726.72 and 269,970.07 is: 372,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,729.95 : 657,726.72 = 269,970.07 : x
  2. Step 2: Convert to fraction form
    476,729.95/657,726.72 = 269,970.07/x
  3. Step 3: Cross multiply
    476,729.95x = 657,726.72 × 269,970.07
  4. Step 4: Simplify right side
    476,729.95x = 177,566,528,639.27
  5. Step 5: Solve for x
    x = 177,566,528,639.27/476,729.95
  6. Step 6: Final answer
    x = 372,467.74

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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.