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Finding the Fourth Proportional to 1,748,156.96, 2,412,497.86 and 973,839.90

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Solution

The fourth proportional to 1,748,156.96, 2,412,497.86 and 973,839.90 is: 1,343,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748,156.96 : 2,412,497.86 = 973,839.90 : x
  2. Step 2: Convert to fraction form
    1,748,156.96/2,412,497.86 = 973,839.90/x
  3. Step 3: Cross multiply
    1,748,156.96x = 2,412,497.86 × 973,839.90
  4. Step 4: Simplify right side
    1,748,156.96x = 2,349,386,674,732.61
  5. Step 5: Solve for x
    x = 2,349,386,674,732.61/1,748,156.96
  6. Step 6: Final answer
    x = 1,343,922.04

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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.