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Finding the Fourth Proportional to 407,897.17, 611,635.66 and 183,064.86

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Solution

The fourth proportional to 407,897.17, 611,635.66 and 183,064.86 is: 274,503.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,897.17 : 611,635.66 = 183,064.86 : x
  2. Step 2: Convert to fraction form
    407,897.17/611,635.66 = 183,064.86/x
  3. Step 3: Cross multiply
    407,897.17x = 611,635.66 × 183,064.86
  4. Step 4: Simplify right side
    407,897.17x = 111,968,996,011.25
  5. Step 5: Solve for x
    x = 111,968,996,011.25/407,897.17
  6. Step 6: Final answer
    x = 274,503.00

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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.