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Finding the Fourth Proportional to 284,457.40, 426,854.43 and 104,669.08

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Solution

The fourth proportional to 284,457.40, 426,854.43 and 104,669.08 is: 157,065.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,457.40 : 426,854.43 = 104,669.08 : x
  2. Step 2: Convert to fraction form
    284,457.40/426,854.43 = 104,669.08/x
  3. Step 3: Cross multiply
    284,457.40x = 426,854.43 × 104,669.08
  4. Step 4: Simplify right side
    284,457.40x = 44,678,459,807.40
  5. Step 5: Solve for x
    x = 44,678,459,807.40/284,457.40
  6. Step 6: Final answer
    x = 157,065.56

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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.