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Finding the Fourth Proportional to 299,315.60, 448,973.40 and 277,664.30

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Solution

The fourth proportional to 299,315.60, 448,973.40 and 277,664.30 is: 416,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,315.60 : 448,973.40 = 277,664.30 : x
  2. Step 2: Convert to fraction form
    299,315.60/448,973.40 = 277,664.30/x
  3. Step 3: Cross multiply
    299,315.60x = 448,973.40 × 277,664.30
  4. Step 4: Simplify right side
    299,315.60x = 124,663,884,829.62
  5. Step 5: Solve for x
    x = 124,663,884,829.62/299,315.60
  6. Step 6: Final answer
    x = 416,496.45

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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.