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Finding the Fourth Proportional to 346,059.70, 519,235.35 and 188,401.30

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Solution

The fourth proportional to 346,059.70, 519,235.35 and 188,401.30 is: 282,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,059.70 : 519,235.35 = 188,401.30 : x
  2. Step 2: Convert to fraction form
    346,059.70/519,235.35 = 188,401.30/x
  3. Step 3: Cross multiply
    346,059.70x = 519,235.35 × 188,401.30
  4. Step 4: Simplify right side
    346,059.70x = 97,824,614,945.96
  5. Step 5: Solve for x
    x = 97,824,614,945.96/346,059.70
  6. Step 6: Final answer
    x = 282,681.33

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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.