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Finding the Fourth Proportional to 316,810.44, 437,210.46 and 180,866.52

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Solution

The fourth proportional to 316,810.44, 437,210.46 and 180,866.52 is: 249,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,810.44 : 437,210.46 = 180,866.52 : x
  2. Step 2: Convert to fraction form
    316,810.44/437,210.46 = 180,866.52/x
  3. Step 3: Cross multiply
    316,810.44x = 437,210.46 × 180,866.52
  4. Step 4: Simplify right side
    316,810.44x = 79,076,734,407.80
  5. Step 5: Solve for x
    x = 79,076,734,407.80/316,810.44
  6. Step 6: Final answer
    x = 249,602.68

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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.