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Finding the Fourth Proportional to 567,390, 850,510.90 and 367,837.18

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Solution

The fourth proportional to 567,390, 850,510.90 and 367,837.18 is: 551,383.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,390 : 850,510.90 = 367,837.18 : x
  2. Step 2: Convert to fraction form
    567,390/850,510.90 = 367,837.18/x
  3. Step 3: Cross multiply
    567,390x = 850,510.90 × 367,837.18
  4. Step 4: Simplify right side
    567,390x = 312,849,531,015.26
  5. Step 5: Solve for x
    x = 312,849,531,015.26/567,390
  6. Step 6: Final answer
    x = 551,383.58

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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.