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Finding the Fourth Proportional to 443,888.25, 612,567.95 and 242,684.25

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Solution

The fourth proportional to 443,888.25, 612,567.95 and 242,684.25 is: 334,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,888.25 : 612,567.95 = 242,684.25 : x
  2. Step 2: Convert to fraction form
    443,888.25/612,567.95 = 242,684.25/x
  3. Step 3: Cross multiply
    443,888.25x = 612,567.95 × 242,684.25
  4. Step 4: Simplify right side
    443,888.25x = 148,660,592,306.37
  5. Step 5: Solve for x
    x = 148,660,592,306.37/443,888.25
  6. Step 6: Final answer
    x = 334,905.45

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Similar ratio
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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.