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Finding the Fourth Proportional to 720,737.84, 994,717.14 and 414,808.04

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Solution

The fourth proportional to 720,737.84, 994,717.14 and 414,808.04 is: 572,492.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,737.84 : 994,717.14 = 414,808.04 : x
  2. Step 2: Convert to fraction form
    720,737.84/994,717.14 = 414,808.04/x
  3. Step 3: Cross multiply
    720,737.84x = 994,717.14 × 414,808.04
  4. Step 4: Simplify right side
    720,737.84x = 412,616,667,197.81
  5. Step 5: Solve for x
    x = 412,616,667,197.81/720,737.84
  6. Step 6: Final answer
    x = 572,492.03

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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.