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Finding the Fourth Proportional to 507,281.73, 760,898.90 and 207,688.25

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Solution

The fourth proportional to 507,281.73, 760,898.90 and 207,688.25 is: 311,522.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,281.73 : 760,898.90 = 207,688.25 : x
  2. Step 2: Convert to fraction form
    507,281.73/760,898.90 = 207,688.25/x
  3. Step 3: Cross multiply
    507,281.73x = 760,898.90 × 207,688.25
  4. Step 4: Simplify right side
    507,281.73x = 158,029,760,967.93
  5. Step 5: Solve for x
    x = 158,029,760,967.93/507,281.73
  6. Step 6: Final answer
    x = 311,522.67

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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.