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Finding the Fourth Proportional to 346,093.50, 477,609.03 and 187,117.50

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Solution

The fourth proportional to 346,093.50, 477,609.03 and 187,117.50 is: 258,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,093.50 : 477,609.03 = 187,117.50 : x
  2. Step 2: Convert to fraction form
    346,093.50/477,609.03 = 187,117.50/x
  3. Step 3: Cross multiply
    346,093.50x = 477,609.03 × 187,117.50
  4. Step 4: Simplify right side
    346,093.50x = 89,369,007,671.03
  5. Step 5: Solve for x
    x = 89,369,007,671.03/346,093.50
  6. Step 6: Final answer
    x = 258,222.15

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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.