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Finding the Fourth Proportional to 371,252.98, 555,937.50 and 311,123.34

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Solution

The fourth proportional to 371,252.98, 555,937.50 and 311,123.34 is: 465,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,252.98 : 555,937.50 = 311,123.34 : x
  2. Step 2: Convert to fraction form
    371,252.98/555,937.50 = 311,123.34/x
  3. Step 3: Cross multiply
    371,252.98x = 555,937.50 × 311,123.34
  4. Step 4: Simplify right side
    371,252.98x = 172,965,129,386.68
  5. Step 5: Solve for x
    x = 172,965,129,386.68/371,252.98
  6. Step 6: Final answer
    x = 465,895.60

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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.