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Finding the Fourth Proportional to 504,745.84, 696,547.92 and 289,899.82

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Solution

The fourth proportional to 504,745.84, 696,547.92 and 289,899.82 is: 400,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,745.84 : 696,547.92 = 289,899.82 : x
  2. Step 2: Convert to fraction form
    504,745.84/696,547.92 = 289,899.82/x
  3. Step 3: Cross multiply
    504,745.84x = 696,547.92 × 289,899.82
  4. Step 4: Simplify right side
    504,745.84x = 201,929,116,629.37
  5. Step 5: Solve for x
    x = 201,929,116,629.37/504,745.84
  6. Step 6: Final answer
    x = 400,060.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.