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Finding the Fourth Proportional to 519,828.70, 778,904.70 and 294,519.10

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Solution

The fourth proportional to 519,828.70, 778,904.70 and 294,519.10 is: 441,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,828.70 : 778,904.70 = 294,519.10 : x
  2. Step 2: Convert to fraction form
    519,828.70/778,904.70 = 294,519.10/x
  3. Step 3: Cross multiply
    519,828.70x = 778,904.70 × 294,519.10
  4. Step 4: Simplify right side
    519,828.70x = 229,402,311,229.77
  5. Step 5: Solve for x
    x = 229,402,311,229.77/519,828.70
  6. Step 6: Final answer
    x = 441,303.67

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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.