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Finding the Fourth Proportional to 351,020.84, 484,054.98 and 265,191.08

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Solution

The fourth proportional to 351,020.84, 484,054.98 and 265,191.08 is: 365,696.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,020.84 : 484,054.98 = 265,191.08 : x
  2. Step 2: Convert to fraction form
    351,020.84/484,054.98 = 265,191.08/x
  3. Step 3: Cross multiply
    351,020.84x = 484,054.98 × 265,191.08
  4. Step 4: Simplify right side
    351,020.84x = 128,367,062,925.58
  5. Step 5: Solve for x
    x = 128,367,062,925.58/351,020.84
  6. Step 6: Final answer
    x = 365,696.42

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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.