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Finding the Fourth Proportional to 587,110.40, 881,054.40 and 334,390.40

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Solution

The fourth proportional to 587,110.40, 881,054.40 and 334,390.40 is: 501,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,110.40 : 881,054.40 = 334,390.40 : x
  2. Step 2: Convert to fraction form
    587,110.40/881,054.40 = 334,390.40/x
  3. Step 3: Cross multiply
    587,110.40x = 881,054.40 × 334,390.40
  4. Step 4: Simplify right side
    587,110.40x = 294,616,133,237.76
  5. Step 5: Solve for x
    x = 294,616,133,237.76/587,110.40
  6. Step 6: Final answer
    x = 501,807.04

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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.