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Finding the Fourth Proportional to 556,740.55, 835,701.36 and 493,111.76

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Solution

The fourth proportional to 556,740.55, 835,701.36 and 493,111.76 is: 740,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,740.55 : 835,701.36 = 493,111.76 : x
  2. Step 2: Convert to fraction form
    556,740.55/835,701.36 = 493,111.76/x
  3. Step 3: Cross multiply
    556,740.55x = 835,701.36 × 493,111.76
  4. Step 4: Simplify right side
    556,740.55x = 412,094,164,285.49
  5. Step 5: Solve for x
    x = 412,094,164,285.49/556,740.55
  6. Step 6: Final answer
    x = 740,190.68

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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.