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Finding the Fourth Proportional to 525,591.80, 788,663.10 and 241,368.20

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Solution

The fourth proportional to 525,591.80, 788,663.10 and 241,368.20 is: 362,178.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,591.80 : 788,663.10 = 241,368.20 : x
  2. Step 2: Convert to fraction form
    525,591.80/788,663.10 = 241,368.20/x
  3. Step 3: Cross multiply
    525,591.80x = 788,663.10 × 241,368.20
  4. Step 4: Simplify right side
    525,591.80x = 190,358,192,853.42
  5. Step 5: Solve for x
    x = 190,358,192,853.42/525,591.80
  6. Step 6: Final answer
    x = 362,178.77

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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.