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Finding the Fourth Proportional to 341,775.40, 471,647.76 and 188,823.45

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Solution

The fourth proportional to 341,775.40, 471,647.76 and 188,823.45 is: 260,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,775.40 : 471,647.76 = 188,823.45 : x
  2. Step 2: Convert to fraction form
    341,775.40/471,647.76 = 188,823.45/x
  3. Step 3: Cross multiply
    341,775.40x = 471,647.76 × 188,823.45
  4. Step 4: Simplify right side
    341,775.40x = 89,058,159,350.70
  5. Step 5: Solve for x
    x = 89,058,159,350.70/341,775.40
  6. Step 6: Final answer
    x = 260,575.10

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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.