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Finding the Fourth Proportional to 656,586.04, 906,088.98 and 354,780.04

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Solution

The fourth proportional to 656,586.04, 906,088.98 and 354,780.04 is: 489,596.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,586.04 : 906,088.98 = 354,780.04 : x
  2. Step 2: Convert to fraction form
    656,586.04/906,088.98 = 354,780.04/x
  3. Step 3: Cross multiply
    656,586.04x = 906,088.98 × 354,780.04
  4. Step 4: Simplify right side
    656,586.04x = 321,462,284,567.96
  5. Step 5: Solve for x
    x = 321,462,284,567.96/656,586.04
  6. Step 6: Final answer
    x = 489,596.59

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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.