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Finding the Fourth Proportional to 383,323.84, 572,290.52 and 292,893.28

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Solution

The fourth proportional to 383,323.84, 572,290.52 and 292,893.28 is: 437,280.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,323.84 : 572,290.52 = 292,893.28 : x
  2. Step 2: Convert to fraction form
    383,323.84/572,290.52 = 292,893.28/x
  3. Step 3: Cross multiply
    383,323.84x = 572,290.52 × 292,893.28
  4. Step 4: Simplify right side
    383,323.84x = 167,620,047,515.71
  5. Step 5: Solve for x
    x = 167,620,047,515.71/383,323.84
  6. Step 6: Final answer
    x = 437,280.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.