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Finding the Fourth Proportional to 404,880.20, 607,320.30 and 374,467.40

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Solution

The fourth proportional to 404,880.20, 607,320.30 and 374,467.40 is: 561,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,880.20 : 607,320.30 = 374,467.40 : x
  2. Step 2: Convert to fraction form
    404,880.20/607,320.30 = 374,467.40/x
  3. Step 3: Cross multiply
    404,880.20x = 607,320.30 × 374,467.40
  4. Step 4: Simplify right side
    404,880.20x = 227,421,653,708.22
  5. Step 5: Solve for x
    x = 227,421,653,708.22/404,880.20
  6. Step 6: Final answer
    x = 561,701.10

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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.