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Finding the Fourth Proportional to 477,495, 658,943.44 and 262,651.40

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Solution

The fourth proportional to 477,495, 658,943.44 and 262,651.40 is: 362,459.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,495 : 658,943.44 = 262,651.40 : x
  2. Step 2: Convert to fraction form
    477,495/658,943.44 = 262,651.40/x
  3. Step 3: Cross multiply
    477,495x = 658,943.44 × 262,651.40
  4. Step 4: Simplify right side
    477,495x = 173,072,417,036.82
  5. Step 5: Solve for x
    x = 173,072,417,036.82/477,495
  6. Step 6: Final answer
    x = 362,459.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.