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Finding the Fourth Proportional to 316,809.19, 437,208.74 and 180,865.27

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Solution

The fourth proportional to 316,809.19, 437,208.74 and 180,865.27 is: 249,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,809.19 : 437,208.74 = 180,865.27 : x
  2. Step 2: Convert to fraction form
    316,809.19/437,208.74 = 180,865.27/x
  3. Step 3: Cross multiply
    316,809.19x = 437,208.74 × 180,865.27
  4. Step 4: Simplify right side
    316,809.19x = 79,075,876,806.46
  5. Step 5: Solve for x
    x = 79,075,876,806.46/316,809.19
  6. Step 6: Final answer
    x = 249,600.96

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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.