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Finding the Fourth Proportional to 297,312.40, 446,022.60 and 97,577.20

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Solution

The fourth proportional to 297,312.40, 446,022.60 and 97,577.20 is: 146,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,312.40 : 446,022.60 = 97,577.20 : x
  2. Step 2: Convert to fraction form
    297,312.40/446,022.60 = 97,577.20/x
  3. Step 3: Cross multiply
    297,312.40x = 446,022.60 × 97,577.20
  4. Step 4: Simplify right side
    297,312.40x = 43,521,636,444.72
  5. Step 5: Solve for x
    x = 43,521,636,444.72/297,312.40
  6. Step 6: Final answer
    x = 146,383.52

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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.