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Finding the Fourth Proportional to 596,311.12, 894,881.40 and 385,426

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Solution

The fourth proportional to 596,311.12, 894,881.40 and 385,426 is: 578,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    596,311.12 : 894,881.40 = 385,426 : x
  2. Step 2: Convert to fraction form
    596,311.12/894,881.40 = 385,426/x
  3. Step 3: Cross multiply
    596,311.12x = 894,881.40 × 385,426
  4. Step 4: Simplify right side
    596,311.12x = 344,910,558,476.40
  5. Step 5: Solve for x
    x = 344,910,558,476.40/596,311.12
  6. Step 6: Final answer
    x = 578,407.05

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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.