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Finding the Fourth Proportional to 448,089, 618,364.74 and 246,880.68

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Solution

The fourth proportional to 448,089, 618,364.74 and 246,880.68 is: 340,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,089 : 618,364.74 = 246,880.68 : x
  2. Step 2: Convert to fraction form
    448,089/618,364.74 = 246,880.68/x
  3. Step 3: Cross multiply
    448,089x = 618,364.74 × 246,880.68
  4. Step 4: Simplify right side
    448,089x = 152,662,307,499.22
  5. Step 5: Solve for x
    x = 152,662,307,499.22/448,089
  6. Step 6: Final answer
    x = 340,696.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.