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Finding the Fourth Proportional to 500,036.76, 750,230.64 and 145,072.08

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Solution

The fourth proportional to 500,036.76, 750,230.64 and 145,072.08 is: 217,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,036.76 : 750,230.64 = 145,072.08 : x
  2. Step 2: Convert to fraction form
    500,036.76/750,230.64 = 145,072.08/x
  3. Step 3: Cross multiply
    500,036.76x = 750,230.64 × 145,072.08
  4. Step 4: Simplify right side
    500,036.76x = 108,837,519,424.53
  5. Step 5: Solve for x
    x = 108,837,519,424.53/500,036.76
  6. Step 6: Final answer
    x = 217,659.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.