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Finding the Fourth Proportional to 504,410.46, 696,061.28 and 286,590.36

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Solution

The fourth proportional to 504,410.46, 696,061.28 and 286,590.36 is: 395,480.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,410.46 : 696,061.28 = 286,590.36 : x
  2. Step 2: Convert to fraction form
    504,410.46/696,061.28 = 286,590.36/x
  3. Step 3: Cross multiply
    504,410.46x = 696,061.28 × 286,590.36
  4. Step 4: Simplify right side
    504,410.46x = 199,484,455,427.49
  5. Step 5: Solve for x
    x = 199,484,455,427.49/504,410.46
  6. Step 6: Final answer
    x = 395,480.41

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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.