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Finding the Fourth Proportional to 693,501.54, 956,768.36 and 512,647.58

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Solution

The fourth proportional to 693,501.54, 956,768.36 and 512,647.58 is: 707,258.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,501.54 : 956,768.36 = 512,647.58 : x
  2. Step 2: Convert to fraction form
    693,501.54/956,768.36 = 512,647.58/x
  3. Step 3: Cross multiply
    693,501.54x = 956,768.36 × 512,647.58
  4. Step 4: Simplify right side
    693,501.54x = 490,484,977,027.49
  5. Step 5: Solve for x
    x = 490,484,977,027.49/693,501.54
  6. Step 6: Final answer
    x = 707,258.67

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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.