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Finding the Fourth Proportional to 553,528.49, 827,259.98 and 404,083.49

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Solution

The fourth proportional to 553,528.49, 827,259.98 and 404,083.49 is: 603,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,528.49 : 827,259.98 = 404,083.49 : x
  2. Step 2: Convert to fraction form
    553,528.49/827,259.98 = 404,083.49/x
  3. Step 3: Cross multiply
    553,528.49x = 827,259.98 × 404,083.49
  4. Step 4: Simplify right side
    553,528.49x = 334,282,093,699.01
  5. Step 5: Solve for x
    x = 334,282,093,699.01/553,528.49
  6. Step 6: Final answer
    x = 603,911.28

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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.