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Finding the Fourth Proportional to 316,810.19, 437,210.12 and 180,866.27

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Solution

The fourth proportional to 316,810.19, 437,210.12 and 180,866.27 is: 249,602.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,810.19 : 437,210.12 = 180,866.27 : x
  2. Step 2: Convert to fraction form
    316,810.19/437,210.12 = 180,866.27/x
  3. Step 3: Cross multiply
    316,810.19x = 437,210.12 × 180,866.27
  4. Step 4: Simplify right side
    316,810.19x = 79,076,563,610.65
  5. Step 5: Solve for x
    x = 79,076,563,610.65/316,810.19
  6. Step 6: Final answer
    x = 249,602.34

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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.