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Finding the Fourth Proportional to 347,030.70, 521,712.45 and 295,709.10

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Solution

The fourth proportional to 347,030.70, 521,712.45 and 295,709.10 is: 444,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,030.70 : 521,712.45 = 295,709.10 : x
  2. Step 2: Convert to fraction form
    347,030.70/521,712.45 = 295,709.10/x
  3. Step 3: Cross multiply
    347,030.70x = 521,712.45 × 295,709.10
  4. Step 4: Simplify right side
    347,030.70x = 154,275,119,048.30
  5. Step 5: Solve for x
    x = 154,275,119,048.30/347,030.70
  6. Step 6: Final answer
    x = 444,557.55

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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.