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Finding the Fourth Proportional to 626,534.33, 864,616.82 and 354,597.35

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Solution

The fourth proportional to 626,534.33, 864,616.82 and 354,597.35 is: 489,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,534.33 : 864,616.82 = 354,597.35 : x
  2. Step 2: Convert to fraction form
    626,534.33/864,616.82 = 354,597.35/x
  3. Step 3: Cross multiply
    626,534.33x = 864,616.82 × 354,597.35
  4. Step 4: Simplify right side
    626,534.33x = 306,590,827,041.36
  5. Step 5: Solve for x
    x = 306,590,827,041.36/626,534.33
  6. Step 6: Final answer
    x = 489,344.02

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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.