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Finding the Fourth Proportional to 469,301.69, 697,915.45 and 454,354.76

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Solution

The fourth proportional to 469,301.69, 697,915.45 and 454,354.76 is: 675,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,301.69 : 697,915.45 = 454,354.76 : x
  2. Step 2: Convert to fraction form
    469,301.69/697,915.45 = 454,354.76/x
  3. Step 3: Cross multiply
    469,301.69x = 697,915.45 × 454,354.76
  4. Step 4: Simplify right side
    469,301.69x = 317,101,206,785.04
  5. Step 5: Solve for x
    x = 317,101,206,785.04/469,301.69
  6. Step 6: Final answer
    x = 675,687.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.