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Finding the Fourth Proportional to 603,041.85, 904,561.86 and 470,021.83

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Solution

The fourth proportional to 603,041.85, 904,561.86 and 470,021.83 is: 705,032.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,041.85 : 904,561.86 = 470,021.83 : x
  2. Step 2: Convert to fraction form
    603,041.85/904,561.86 = 470,021.83/x
  3. Step 3: Cross multiply
    603,041.85x = 904,561.86 × 470,021.83
  4. Step 4: Simplify right side
    603,041.85x = 425,163,820,785.40
  5. Step 5: Solve for x
    x = 425,163,820,785.40/603,041.85
  6. Step 6: Final answer
    x = 705,032.03

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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.