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Finding the Fourth Proportional to 461,804.28, 637,300.73 and 257,848.30

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Solution

The fourth proportional to 461,804.28, 637,300.73 and 257,848.30 is: 355,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,804.28 : 637,300.73 = 257,848.30 : x
  2. Step 2: Convert to fraction form
    461,804.28/637,300.73 = 257,848.30/x
  3. Step 3: Cross multiply
    461,804.28x = 637,300.73 × 257,848.30
  4. Step 4: Simplify right side
    461,804.28x = 164,326,909,810.11
  5. Step 5: Solve for x
    x = 164,326,909,810.11/461,804.28
  6. Step 6: Final answer
    x = 355,836.70

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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.