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Finding the Fourth Proportional to 346,040.58, 477,454.50 and 210,071.10

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Solution

The fourth proportional to 346,040.58, 477,454.50 and 210,071.10 is: 289,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,040.58 : 477,454.50 = 210,071.10 : x
  2. Step 2: Convert to fraction form
    346,040.58/477,454.50 = 210,071.10/x
  3. Step 3: Cross multiply
    346,040.58x = 477,454.50 × 210,071.10
  4. Step 4: Simplify right side
    346,040.58x = 100,299,392,014.95
  5. Step 5: Solve for x
    x = 100,299,392,014.95/346,040.58
  6. Step 6: Final answer
    x = 289,848.64

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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.