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Finding the Fourth Proportional to 556,087.37, 767,433.68 and 314,392.47

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Solution

The fourth proportional to 556,087.37, 767,433.68 and 314,392.47 is: 433,880.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,087.37 : 767,433.68 = 314,392.47 : x
  2. Step 2: Convert to fraction form
    556,087.37/767,433.68 = 314,392.47/x
  3. Step 3: Cross multiply
    556,087.37x = 767,433.68 × 314,392.47
  4. Step 4: Simplify right side
    556,087.37x = 241,275,368,644.43
  5. Step 5: Solve for x
    x = 241,275,368,644.43/556,087.37
  6. Step 6: Final answer
    x = 433,880.33

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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.