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Finding the Fourth Proportional to 594,875.16, 890,430.30 and 381,357.72

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Solution

The fourth proportional to 594,875.16, 890,430.30 and 381,357.72 is: 570,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,875.16 : 890,430.30 = 381,357.72 : x
  2. Step 2: Convert to fraction form
    594,875.16/890,430.30 = 381,357.72/x
  3. Step 3: Cross multiply
    594,875.16x = 890,430.30 × 381,357.72
  4. Step 4: Simplify right side
    594,875.16x = 339,572,469,026.92
  5. Step 5: Solve for x
    x = 339,572,469,026.92/594,875.16
  6. Step 6: Final answer
    x = 570,829.80

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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.