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Finding the Fourth Proportional to 662,347.64, 993,592.20 and 283,307.60

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Solution

The fourth proportional to 662,347.64, 993,592.20 and 283,307.60 is: 424,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,347.64 : 993,592.20 = 283,307.60 : x
  2. Step 2: Convert to fraction form
    662,347.64/993,592.20 = 283,307.60/x
  3. Step 3: Cross multiply
    662,347.64x = 993,592.20 × 283,307.60
  4. Step 4: Simplify right side
    662,347.64x = 281,492,221,560.72
  5. Step 5: Solve for x
    x = 281,492,221,560.72/662,347.64
  6. Step 6: Final answer
    x = 424,991.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.