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Finding the Fourth Proportional to 374,420.70, 525,122.10 and 374,420.70

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Solution

The fourth proportional to 374,420.70, 525,122.10 and 374,420.70 is: 525,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,420.70 : 525,122.10 = 374,420.70 : x
  2. Step 2: Convert to fraction form
    374,420.70/525,122.10 = 374,420.70/x
  3. Step 3: Cross multiply
    374,420.70x = 525,122.10 × 374,420.70
  4. Step 4: Simplify right side
    374,420.70x = 196,616,584,267.47
  5. Step 5: Solve for x
    x = 196,616,584,267.47/374,420.70
  6. Step 6: Final answer
    x = 525,122.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.