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Finding the Fourth Proportional to 265,821.98, 397,038.45 and 240,482.75

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Solution

The fourth proportional to 265,821.98, 397,038.45 and 240,482.75 is: 359,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,821.98 : 397,038.45 = 240,482.75 : x
  2. Step 2: Convert to fraction form
    265,821.98/397,038.45 = 240,482.75/x
  3. Step 3: Cross multiply
    265,821.98x = 397,038.45 × 240,482.75
  4. Step 4: Simplify right side
    265,821.98x = 95,480,897,109.32
  5. Step 5: Solve for x
    x = 95,480,897,109.32/265,821.98
  6. Step 6: Final answer
    x = 359,191.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.