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Finding the Fourth Proportional to 594,993, 821,007.72 and 349,988.88

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Solution

The fourth proportional to 594,993, 821,007.72 and 349,988.88 is: 482,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,993 : 821,007.72 = 349,988.88 : x
  2. Step 2: Convert to fraction form
    594,993/821,007.72 = 349,988.88/x
  3. Step 3: Cross multiply
    594,993x = 821,007.72 × 349,988.88
  4. Step 4: Simplify right side
    594,993x = 287,343,572,394.15
  5. Step 5: Solve for x
    x = 287,343,572,394.15/594,993
  6. Step 6: Final answer
    x = 482,936.06

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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.