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Finding the Fourth Proportional to 438,594.35, 605,262.03 and 237,390.35

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Solution

The fourth proportional to 438,594.35, 605,262.03 and 237,390.35 is: 327,599.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,594.35 : 605,262.03 = 237,390.35 : x
  2. Step 2: Convert to fraction form
    438,594.35/605,262.03 = 237,390.35/x
  3. Step 3: Cross multiply
    438,594.35x = 605,262.03 × 237,390.35
  4. Step 4: Simplify right side
    438,594.35x = 143,683,362,117.10
  5. Step 5: Solve for x
    x = 143,683,362,117.10/438,594.35
  6. Step 6: Final answer
    x = 327,599.67

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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.