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Finding the Fourth Proportional to 346,833.00, 478,690.46 and 201,683.70

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Solution

The fourth proportional to 346,833.00, 478,690.46 and 201,683.70 is: 278,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,833.00 : 478,690.46 = 201,683.70 : x
  2. Step 2: Convert to fraction form
    346,833.00/478,690.46 = 201,683.70/x
  3. Step 3: Cross multiply
    346,833.00x = 478,690.46 × 201,683.70
  4. Step 4: Simplify right side
    346,833.00x = 96,544,063,315.81
  5. Step 5: Solve for x
    x = 96,544,063,315.81/346,833.00
  6. Step 6: Final answer
    x = 278,358.93

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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.