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Finding the Fourth Proportional to 553,712.58, 827,534.30 and 404,267.58

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Solution

The fourth proportional to 553,712.58, 827,534.30 and 404,267.58 is: 604,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,712.58 : 827,534.30 = 404,267.58 : x
  2. Step 2: Convert to fraction form
    553,712.58/827,534.30 = 404,267.58/x
  3. Step 3: Cross multiply
    553,712.58x = 827,534.30 × 404,267.58
  4. Step 4: Simplify right side
    553,712.58x = 334,545,288,827.99
  5. Step 5: Solve for x
    x = 334,545,288,827.99/553,712.58
  6. Step 6: Final answer
    x = 604,185.82

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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.