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Finding the Fourth Proportional to 500,038.76, 750,233.64 and 145,074.08

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Solution

The fourth proportional to 500,038.76, 750,233.64 and 145,074.08 is: 217,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,038.76 : 750,233.64 = 145,074.08 : x
  2. Step 2: Convert to fraction form
    500,038.76/750,233.64 = 145,074.08/x
  3. Step 3: Cross multiply
    500,038.76x = 750,233.64 × 145,074.08
  4. Step 4: Simplify right side
    500,038.76x = 108,839,455,108.05
  5. Step 5: Solve for x
    x = 108,839,455,108.05/500,038.76
  6. Step 6: Final answer
    x = 217,662.04

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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.