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Finding the Fourth Proportional to 607,586.10, 911,269.80 and 382,543.80

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Solution

The fourth proportional to 607,586.10, 911,269.80 and 382,543.80 is: 573,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,586.10 : 911,269.80 = 382,543.80 : x
  2. Step 2: Convert to fraction form
    607,586.10/911,269.80 = 382,543.80/x
  3. Step 3: Cross multiply
    607,586.10x = 911,269.80 × 382,543.80
  4. Step 4: Simplify right side
    607,586.10x = 348,600,612,117.24
  5. Step 5: Solve for x
    x = 348,600,612,117.24/607,586.10
  6. Step 6: Final answer
    x = 573,746.85

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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.