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Finding the Fourth Proportional to 665,447.22, 998,688.45 and 464,461.92

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Solution

The fourth proportional to 665,447.22, 998,688.45 and 464,461.92 is: 697,054.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,447.22 : 998,688.45 = 464,461.92 : x
  2. Step 2: Convert to fraction form
    665,447.22/998,688.45 = 464,461.92/x
  3. Step 3: Cross multiply
    665,447.22x = 998,688.45 × 464,461.92
  4. Step 4: Simplify right side
    665,447.22x = 463,852,754,968.82
  5. Step 5: Solve for x
    x = 463,852,754,968.82/665,447.22
  6. Step 6: Final answer
    x = 697,054.16

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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.