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Finding the Fourth Proportional to 316,672.84, 436,900.03 and 180,608.94

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Solution

The fourth proportional to 316,672.84, 436,900.03 and 180,608.94 is: 249,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,672.84 : 436,900.03 = 180,608.94 : x
  2. Step 2: Convert to fraction form
    316,672.84/436,900.03 = 180,608.94/x
  3. Step 3: Cross multiply
    316,672.84x = 436,900.03 × 180,608.94
  4. Step 4: Simplify right side
    316,672.84x = 78,908,050,852.75
  5. Step 5: Solve for x
    x = 78,908,050,852.75/316,672.84
  6. Step 6: Final answer
    x = 249,178.46

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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.