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Finding the Fourth Proportional to 351,036.40, 526,554.60 and 345,787.60

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Solution

The fourth proportional to 351,036.40, 526,554.60 and 345,787.60 is: 518,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,036.40 : 526,554.60 = 345,787.60 : x
  2. Step 2: Convert to fraction form
    351,036.40/526,554.60 = 345,787.60/x
  3. Step 3: Cross multiply
    351,036.40x = 526,554.60 × 345,787.60
  4. Step 4: Simplify right side
    351,036.40x = 182,076,051,402.96
  5. Step 5: Solve for x
    x = 182,076,051,402.96/351,036.40
  6. Step 6: Final answer
    x = 518,681.40

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1.5x scale

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.