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Finding the Fourth Proportional to 553,532.34, 827,265.65 and 404,087.34

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Solution

The fourth proportional to 553,532.34, 827,265.65 and 404,087.34 is: 603,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,532.34 : 827,265.65 = 404,087.34 : x
  2. Step 2: Convert to fraction form
    553,532.34/827,265.65 = 404,087.34/x
  3. Step 3: Cross multiply
    553,532.34x = 827,265.65 × 404,087.34
  4. Step 4: Simplify right side
    553,532.34x = 334,287,575,981.87
  5. Step 5: Solve for x
    x = 334,287,575,981.87/553,532.34
  6. Step 6: Final answer
    x = 603,916.97

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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.