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Finding the Fourth Proportional to 507,155.04, 699,882.56 and 277,708.67

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Solution

The fourth proportional to 507,155.04, 699,882.56 and 277,708.67 is: 383,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,155.04 : 699,882.56 = 277,708.67 : x
  2. Step 2: Convert to fraction form
    507,155.04/699,882.56 = 277,708.67/x
  3. Step 3: Cross multiply
    507,155.04x = 699,882.56 × 277,708.67
  4. Step 4: Simplify right side
    507,155.04x = 194,363,453,671.81
  5. Step 5: Solve for x
    x = 194,363,453,671.81/507,155.04
  6. Step 6: Final answer
    x = 383,242.67

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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.