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Finding the Fourth Proportional to 581,624.38, 872,592.09 and 526,103.74

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Solution

The fourth proportional to 581,624.38, 872,592.09 and 526,103.74 is: 789,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,624.38 : 872,592.09 = 526,103.74 : x
  2. Step 2: Convert to fraction form
    581,624.38/872,592.09 = 526,103.74/x
  3. Step 3: Cross multiply
    581,624.38x = 872,592.09 × 526,103.74
  4. Step 4: Simplify right side
    581,624.38x = 459,073,962,043.42
  5. Step 5: Solve for x
    x = 459,073,962,043.42/581,624.38
  6. Step 6: Final answer
    x = 789,296.28

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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.