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Finding the Fourth Proportional to 554,971.86, 765,341.37 and 368,373.30

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Solution

The fourth proportional to 554,971.86, 765,341.37 and 368,373.30 is: 508,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,971.86 : 765,341.37 = 368,373.30 : x
  2. Step 2: Convert to fraction form
    554,971.86/765,341.37 = 368,373.30/x
  3. Step 3: Cross multiply
    554,971.86x = 765,341.37 × 368,373.30
  4. Step 4: Simplify right side
    554,971.86x = 281,931,326,093.42
  5. Step 5: Solve for x
    x = 281,931,326,093.42/554,971.86
  6. Step 6: Final answer
    x = 508,010.13

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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.