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Finding the Fourth Proportional to 459,554.24, 688,611.04 and 290,717.91

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Solution

The fourth proportional to 459,554.24, 688,611.04 and 290,717.91 is: 435,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,554.24 : 688,611.04 = 290,717.91 : x
  2. Step 2: Convert to fraction form
    459,554.24/688,611.04 = 290,717.91/x
  3. Step 3: Cross multiply
    459,554.24x = 688,611.04 × 290,717.91
  4. Step 4: Simplify right side
    459,554.24x = 200,191,561,624.93
  5. Step 5: Solve for x
    x = 200,191,561,624.93/459,554.24
  6. Step 6: Final answer
    x = 435,621.18

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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.