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Finding the Fourth Proportional to 598,226.67, 825,085.98 and 383,386.59

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Solution

The fourth proportional to 598,226.67, 825,085.98 and 383,386.59 is: 528,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,226.67 : 825,085.98 = 383,386.59 : x
  2. Step 2: Convert to fraction form
    598,226.67/825,085.98 = 383,386.59/x
  3. Step 3: Cross multiply
    598,226.67x = 825,085.98 × 383,386.59
  4. Step 4: Simplify right side
    598,226.67x = 316,326,900,329.01
  5. Step 5: Solve for x
    x = 316,326,900,329.01/598,226.67
  6. Step 6: Final answer
    x = 528,774.32

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Double scale
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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.