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Finding the Fourth Proportional to 504,683.82, 696,343.93 and 286,875.36

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Solution

The fourth proportional to 504,683.82, 696,343.93 and 286,875.36 is: 395,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,683.82 : 696,343.93 = 286,875.36 : x
  2. Step 2: Convert to fraction form
    504,683.82/696,343.93 = 286,875.36/x
  3. Step 3: Cross multiply
    504,683.82x = 696,343.93 × 286,875.36
  4. Step 4: Simplify right side
    504,683.82x = 199,763,915,602.57
  5. Step 5: Solve for x
    x = 199,763,915,602.57/504,683.82
  6. Step 6: Final answer
    x = 395,819.93

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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.