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Finding the Fourth Proportional to 462,303, 637,978.14 and 250,335

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Solution

The fourth proportional to 462,303, 637,978.14 and 250,335 is: 345,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,303 : 637,978.14 = 250,335 : x
  2. Step 2: Convert to fraction form
    462,303/637,978.14 = 250,335/x
  3. Step 3: Cross multiply
    462,303x = 637,978.14 × 250,335
  4. Step 4: Simplify right side
    462,303x = 159,708,257,676.90
  5. Step 5: Solve for x
    x = 159,708,257,676.90/462,303
  6. Step 6: Final answer
    x = 345,462.30

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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.