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Finding the Fourth Proportional to 750,493.62, 1,124,327.88 and 370,970.12

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Solution

The fourth proportional to 750,493.62, 1,124,327.88 and 370,970.12 is: 555,756.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,493.62 : 1,124,327.88 = 370,970.12 : x
  2. Step 2: Convert to fraction form
    750,493.62/1,124,327.88 = 370,970.12/x
  3. Step 3: Cross multiply
    750,493.62x = 1,124,327.88 × 370,970.12
  4. Step 4: Simplify right side
    750,493.62x = 417,092,051,373.77
  5. Step 5: Solve for x
    x = 417,092,051,373.77/750,493.62
  6. Step 6: Final answer
    x = 555,756.96

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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.