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Finding the Fourth Proportional to 450,994.88, 676,547.94 and 147,381.86

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Solution

The fourth proportional to 450,994.88, 676,547.94 and 147,381.86 is: 221,090.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,994.88 : 676,547.94 = 147,381.86 : x
  2. Step 2: Convert to fraction form
    450,994.88/676,547.94 = 147,381.86/x
  3. Step 3: Cross multiply
    450,994.88x = 676,547.94 × 147,381.86
  4. Step 4: Simplify right side
    450,994.88x = 99,710,890,393.63
  5. Step 5: Solve for x
    x = 99,710,890,393.63/450,994.88
  6. Step 6: Final answer
    x = 221,090.96

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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.