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Finding the Fourth Proportional to 297,036.20, 445,554.30 and 157,068.20

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Solution

The fourth proportional to 297,036.20, 445,554.30 and 157,068.20 is: 235,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,036.20 : 445,554.30 = 157,068.20 : x
  2. Step 2: Convert to fraction form
    297,036.20/445,554.30 = 157,068.20/x
  3. Step 3: Cross multiply
    297,036.20x = 445,554.30 × 157,068.20
  4. Step 4: Simplify right side
    297,036.20x = 69,982,411,903.26
  5. Step 5: Solve for x
    x = 69,982,411,903.26/297,036.20
  6. Step 6: Final answer
    x = 235,602.30

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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.