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Finding the Fourth Proportional to 316,699.02, 437,040.22 and 180,776.06

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Solution

The fourth proportional to 316,699.02, 437,040.22 and 180,776.06 is: 249,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,699.02 : 437,040.22 = 180,776.06 : x
  2. Step 2: Convert to fraction form
    316,699.02/437,040.22 = 180,776.06/x
  3. Step 3: Cross multiply
    316,699.02x = 437,040.22 × 180,776.06
  4. Step 4: Simplify right side
    316,699.02x = 79,006,409,033.13
  5. Step 5: Solve for x
    x = 79,006,409,033.13/316,699.02
  6. Step 6: Final answer
    x = 249,468.44

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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.