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Finding the Fourth Proportional to 610,836, 916,271.28 and 167,604

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Solution

The fourth proportional to 610,836, 916,271.28 and 167,604 is: 251,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,836 : 916,271.28 = 167,604 : x
  2. Step 2: Convert to fraction form
    610,836/916,271.28 = 167,604/x
  3. Step 3: Cross multiply
    610,836x = 916,271.28 × 167,604
  4. Step 4: Simplify right side
    610,836x = 153,570,731,613.12
  5. Step 5: Solve for x
    x = 153,570,731,613.12/610,836
  6. Step 6: Final answer
    x = 251,410.74

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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.