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Finding the Fourth Proportional to 676,204.47, 933,173.64 and 370,275.98

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Solution

The fourth proportional to 676,204.47, 933,173.64 and 370,275.98 is: 510,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,204.47 : 933,173.64 = 370,275.98 : x
  2. Step 2: Convert to fraction form
    676,204.47/933,173.64 = 370,275.98/x
  3. Step 3: Cross multiply
    676,204.47x = 933,173.64 × 370,275.98
  4. Step 4: Simplify right side
    676,204.47x = 345,531,779,395.30
  5. Step 5: Solve for x
    x = 345,531,779,395.30/676,204.47
  6. Step 6: Final answer
    x = 510,987.13

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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.