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Finding the Fourth Proportional to 374,214.20, 525,005.80 and 374,214.20

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Solution

The fourth proportional to 374,214.20, 525,005.80 and 374,214.20 is: 525,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,214.20 : 525,005.80 = 374,214.20 : x
  2. Step 2: Convert to fraction form
    374,214.20/525,005.80 = 374,214.20/x
  3. Step 3: Cross multiply
    374,214.20x = 525,005.80 × 374,214.20
  4. Step 4: Simplify right side
    374,214.20x = 196,464,625,442.36
  5. Step 5: Solve for x
    x = 196,464,625,442.36/374,214.20
  6. Step 6: Final answer
    x = 525,005.80

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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.