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Finding the Fourth Proportional to 551,427.04, 760,877.76 and 325,041.76

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Solution

The fourth proportional to 551,427.04, 760,877.76 and 325,041.76 is: 448,503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,427.04 : 760,877.76 = 325,041.76 : x
  2. Step 2: Convert to fraction form
    551,427.04/760,877.76 = 325,041.76/x
  3. Step 3: Cross multiply
    551,427.04x = 760,877.76 × 325,041.76
  4. Step 4: Simplify right side
    551,427.04x = 247,317,046,255.26
  5. Step 5: Solve for x
    x = 247,317,046,255.26/551,427.04
  6. Step 6: Final answer
    x = 448,503.66

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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.