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Finding the Fourth Proportional to 908,101.80, 1,362,152.70 and 375,445.80

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Solution

The fourth proportional to 908,101.80, 1,362,152.70 and 375,445.80 is: 563,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,101.80 : 1,362,152.70 = 375,445.80 : x
  2. Step 2: Convert to fraction form
    908,101.80/1,362,152.70 = 375,445.80/x
  3. Step 3: Cross multiply
    908,101.80x = 1,362,152.70 × 375,445.80
  4. Step 4: Simplify right side
    908,101.80x = 511,414,510,173.66
  5. Step 5: Solve for x
    x = 511,414,510,173.66/908,101.80
  6. Step 6: Final answer
    x = 563,168.70

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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.