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Finding the Fourth Proportional to 292,616.55, 403,809.59 and 163,554.84

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Solution

The fourth proportional to 292,616.55, 403,809.59 and 163,554.84 is: 225,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,616.55 : 403,809.59 = 163,554.84 : x
  2. Step 2: Convert to fraction form
    292,616.55/403,809.59 = 163,554.84/x
  3. Step 3: Cross multiply
    292,616.55x = 403,809.59 × 163,554.84
  4. Step 4: Simplify right side
    292,616.55x = 66,045,012,065.14
  5. Step 5: Solve for x
    x = 66,045,012,065.14/292,616.55
  6. Step 6: Final answer
    x = 225,704.98

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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.