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Finding the Fourth Proportional to 626,878.50, 940,315.71 and 227,518.74

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Solution

The fourth proportional to 626,878.50, 940,315.71 and 227,518.74 is: 341,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,878.50 : 940,315.71 = 227,518.74 : x
  2. Step 2: Convert to fraction form
    626,878.50/940,315.71 = 227,518.74/x
  3. Step 3: Cross multiply
    626,878.50x = 940,315.71 × 227,518.74
  4. Step 4: Simplify right side
    626,878.50x = 213,939,445,541.41
  5. Step 5: Solve for x
    x = 213,939,445,541.41/626,878.50
  6. Step 6: Final answer
    x = 341,277.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.