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Finding the Fourth Proportional to 692,391, 955,384.14 and 462,579.84

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Solution

The fourth proportional to 692,391, 955,384.14 and 462,579.84 is: 638,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,391 : 955,384.14 = 462,579.84 : x
  2. Step 2: Convert to fraction form
    692,391/955,384.14 = 462,579.84/x
  3. Step 3: Cross multiply
    692,391x = 955,384.14 × 462,579.84
  4. Step 4: Simplify right side
    692,391x = 441,941,442,619.74
  5. Step 5: Solve for x
    x = 441,941,442,619.74/692,391
  6. Step 6: Final answer
    x = 638,283.05

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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.