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Finding the Fourth Proportional to 448,210.67, 618,530.74 and 247,006.67

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Solution

The fourth proportional to 448,210.67, 618,530.74 and 247,006.67 is: 340,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,210.67 : 618,530.74 = 247,006.67 : x
  2. Step 2: Convert to fraction form
    448,210.67/618,530.74 = 247,006.67/x
  3. Step 3: Cross multiply
    448,210.67x = 618,530.74 × 247,006.67
  4. Step 4: Simplify right side
    448,210.67x = 152,781,219,308.85
  5. Step 5: Solve for x
    x = 152,781,219,308.85/448,210.67
  6. Step 6: Final answer
    x = 340,869.21

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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.