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Finding the Fourth Proportional to 1,232,503.40, 1,730,481.40 and 1,232,503.40

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Solution

The fourth proportional to 1,232,503.40, 1,730,481.40 and 1,232,503.40 is: 1,730,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,503.40 : 1,730,481.40 = 1,232,503.40 : x
  2. Step 2: Convert to fraction form
    1,232,503.40/1,730,481.40 = 1,232,503.40/x
  3. Step 3: Cross multiply
    1,232,503.40x = 1,730,481.40 × 1,232,503.40
  4. Step 4: Simplify right side
    1,232,503.40x = 2,132,824,209,136.76
  5. Step 5: Solve for x
    x = 2,132,824,209,136.76/1,232,503.40
  6. Step 6: Final answer
    x = 1,730,481.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.