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Finding the Fourth Proportional to 671,666.17, 926,599.44 and 453,804.52

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Solution

The fourth proportional to 671,666.17, 926,599.44 and 453,804.52 is: 626,047.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,666.17 : 926,599.44 = 453,804.52 : x
  2. Step 2: Convert to fraction form
    671,666.17/926,599.44 = 453,804.52/x
  3. Step 3: Cross multiply
    671,666.17x = 926,599.44 × 453,804.52
  4. Step 4: Simplify right side
    671,666.17x = 420,495,014,101.47
  5. Step 5: Solve for x
    x = 420,495,014,101.47/671,666.17
  6. Step 6: Final answer
    x = 626,047.63

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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.