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Finding the Fourth Proportional to 434,825.70, 652,238.55 and 372,617.70

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Solution

The fourth proportional to 434,825.70, 652,238.55 and 372,617.70 is: 558,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,825.70 : 652,238.55 = 372,617.70 : x
  2. Step 2: Convert to fraction form
    434,825.70/652,238.55 = 372,617.70/x
  3. Step 3: Cross multiply
    434,825.70x = 652,238.55 × 372,617.70
  4. Step 4: Simplify right side
    434,825.70x = 243,035,628,352.34
  5. Step 5: Solve for x
    x = 243,035,628,352.34/434,825.70
  6. Step 6: Final answer
    x = 558,926.55

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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.