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Finding the Fourth Proportional to 462,087.67, 637,266.55 and 384,819.14

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Solution

The fourth proportional to 462,087.67, 637,266.55 and 384,819.14 is: 530,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,087.67 : 637,266.55 = 384,819.14 : x
  2. Step 2: Convert to fraction form
    462,087.67/637,266.55 = 384,819.14/x
  3. Step 3: Cross multiply
    462,087.67x = 637,266.55 × 384,819.14
  4. Step 4: Simplify right side
    462,087.67x = 245,232,365,721.77
  5. Step 5: Solve for x
    x = 245,232,365,721.77/462,087.67
  6. Step 6: Final answer
    x = 530,705.28

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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.