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Finding the Fourth Proportional to 461,985.51, 692,011.62 and 371,539.32

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Solution

The fourth proportional to 461,985.51, 692,011.62 and 371,539.32 is: 556,531.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,985.51 : 692,011.62 = 371,539.32 : x
  2. Step 2: Convert to fraction form
    461,985.51/692,011.62 = 371,539.32/x
  3. Step 3: Cross multiply
    461,985.51x = 692,011.62 × 371,539.32
  4. Step 4: Simplify right side
    461,985.51x = 257,109,526,726.90
  5. Step 5: Solve for x
    x = 257,109,526,726.90/461,985.51
  6. Step 6: Final answer
    x = 556,531.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.