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Finding the Fourth Proportional to 910,152, 1,365,228 and 245,304

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Solution

The fourth proportional to 910,152, 1,365,228 and 245,304 is: 367,956

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,152 : 1,365,228 = 245,304 : x
  2. Step 2: Convert to fraction form
    910,152/1,365,228 = 245,304/x
  3. Step 3: Cross multiply
    910,152x = 1,365,228 × 245,304
  4. Step 4: Simplify right side
    910,152x = 334,895,889,312
  5. Step 5: Solve for x
    x = 334,895,889,312/910,152
  6. Step 6: Final answer
    x = 367,956

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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.