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Finding the Fourth Proportional to 717,527.77, 990,230.87 and 411,601.91

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Solution

The fourth proportional to 717,527.77, 990,230.87 and 411,601.91 is: 568,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,527.77 : 990,230.87 = 411,601.91 : x
  2. Step 2: Convert to fraction form
    717,527.77/990,230.87 = 411,601.91/x
  3. Step 3: Cross multiply
    717,527.77x = 990,230.87 × 411,601.91
  4. Step 4: Simplify right side
    717,527.77x = 407,580,913,510.81
  5. Step 5: Solve for x
    x = 407,580,913,510.81/717,527.77
  6. Step 6: Final answer
    x = 568,035.04

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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.