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Finding the Fourth Proportional to 1,048,618, 1,572,932.76 and 260,650

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Solution

The fourth proportional to 1,048,618, 1,572,932.76 and 260,650 is: 390,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,618 : 1,572,932.76 = 260,650 : x
  2. Step 2: Convert to fraction form
    1,048,618/1,572,932.76 = 260,650/x
  3. Step 3: Cross multiply
    1,048,618x = 1,572,932.76 × 260,650
  4. Step 4: Simplify right side
    1,048,618x = 409,984,923,894
  5. Step 5: Solve for x
    x = 409,984,923,894/1,048,618
  6. Step 6: Final answer
    x = 390,976.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.