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Finding the Fourth Proportional to 346,504.56, 478,176.24 and 187,528.56

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Solution

The fourth proportional to 346,504.56, 478,176.24 and 187,528.56 is: 258,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,504.56 : 478,176.24 = 187,528.56 : x
  2. Step 2: Convert to fraction form
    346,504.56/478,176.24 = 187,528.56/x
  3. Step 3: Cross multiply
    346,504.56x = 478,176.24 × 187,528.56
  4. Step 4: Simplify right side
    346,504.56x = 89,671,701,713.41
  5. Step 5: Solve for x
    x = 89,671,701,713.41/346,504.56
  6. Step 6: Final answer
    x = 258,789.38

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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.