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Finding the Fourth Proportional to 341,701.60, 511,342.80 and 297,810.40

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Solution

The fourth proportional to 341,701.60, 511,342.80 and 297,810.40 is: 445,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,701.60 : 511,342.80 = 297,810.40 : x
  2. Step 2: Convert to fraction form
    341,701.60/511,342.80 = 297,810.40/x
  3. Step 3: Cross multiply
    341,701.60x = 511,342.80 × 297,810.40
  4. Step 4: Simplify right side
    341,701.60x = 152,283,203,805.12
  5. Step 5: Solve for x
    x = 152,283,203,805.12/341,701.60
  6. Step 6: Final answer
    x = 445,661.37

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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.