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Finding the Fourth Proportional to 922,539.60, 1,383,809.40 and 735,915.60

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Solution

The fourth proportional to 922,539.60, 1,383,809.40 and 735,915.60 is: 1,103,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,539.60 : 1,383,809.40 = 735,915.60 : x
  2. Step 2: Convert to fraction form
    922,539.60/1,383,809.40 = 735,915.60/x
  3. Step 3: Cross multiply
    922,539.60x = 1,383,809.40 × 735,915.60
  4. Step 4: Simplify right side
    922,539.60x = 1,018,366,924,886.64
  5. Step 5: Solve for x
    x = 1,018,366,924,886.64/922,539.60
  6. Step 6: Final answer
    x = 1,103,873.40

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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.