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Finding the Fourth Proportional to 971,685.72, 1,457,737.43 and 297,813.51

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Solution

The fourth proportional to 971,685.72, 1,457,737.43 and 297,813.51 is: 446,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,685.72 : 1,457,737.43 = 297,813.51 : x
  2. Step 2: Convert to fraction form
    971,685.72/1,457,737.43 = 297,813.51/x
  3. Step 3: Cross multiply
    971,685.72x = 1,457,737.43 × 297,813.51
  4. Step 4: Simplify right side
    971,685.72x = 434,133,899,197.61
  5. Step 5: Solve for x
    x = 434,133,899,197.61/971,685.72
  6. Step 6: Final answer
    x = 446,784.27

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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.