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Finding the Fourth Proportional to 548,056.70, 822,085.05 and 506,066.30

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Solution

The fourth proportional to 548,056.70, 822,085.05 and 506,066.30 is: 759,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,056.70 : 822,085.05 = 506,066.30 : x
  2. Step 2: Convert to fraction form
    548,056.70/822,085.05 = 506,066.30/x
  3. Step 3: Cross multiply
    548,056.70x = 822,085.05 × 506,066.30
  4. Step 4: Simplify right side
    548,056.70x = 416,029,539,538.82
  5. Step 5: Solve for x
    x = 416,029,539,538.82/548,056.70
  6. Step 6: Final answer
    x = 759,099.45

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Double scale
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Similar ratio
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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.