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Finding the Fourth Proportional to 1,037,449, 1,431,679.62 and 560,521

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Solution

The fourth proportional to 1,037,449, 1,431,679.62 and 560,521 is: 773,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,449 : 1,431,679.62 = 560,521 : x
  2. Step 2: Convert to fraction form
    1,037,449/1,431,679.62 = 560,521/x
  3. Step 3: Cross multiply
    1,037,449x = 1,431,679.62 × 560,521
  4. Step 4: Simplify right side
    1,037,449x = 802,486,492,282.02
  5. Step 5: Solve for x
    x = 802,486,492,282.02/1,037,449
  6. Step 6: Final answer
    x = 773,518.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.