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Finding the Fourth Proportional to 554,738.10, 830,001.15 and 368,114.10

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Solution

The fourth proportional to 554,738.10, 830,001.15 and 368,114.10 is: 550,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,738.10 : 830,001.15 = 368,114.10 : x
  2. Step 2: Convert to fraction form
    554,738.10/830,001.15 = 368,114.10/x
  3. Step 3: Cross multiply
    554,738.10x = 830,001.15 × 368,114.10
  4. Step 4: Simplify right side
    554,738.10x = 305,535,126,331.22
  5. Step 5: Solve for x
    x = 305,535,126,331.22/554,738.10
  6. Step 6: Final answer
    x = 550,773.65

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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.