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Finding the Fourth Proportional to 704,783.60, 972,602.04 and 382,493.76

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Solution

The fourth proportional to 704,783.60, 972,602.04 and 382,493.76 is: 527,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,783.60 : 972,602.04 = 382,493.76 : x
  2. Step 2: Convert to fraction form
    704,783.60/972,602.04 = 382,493.76/x
  3. Step 3: Cross multiply
    704,783.60x = 972,602.04 × 382,493.76
  4. Step 4: Simplify right side
    704,783.60x = 372,014,211,263.27
  5. Step 5: Solve for x
    x = 372,014,211,263.27/704,783.60
  6. Step 6: Final answer
    x = 527,841.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.