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Finding the Fourth Proportional to 562,107.82, 775,962.10 and 358,432.50

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Solution

The fourth proportional to 562,107.82, 775,962.10 and 358,432.50 is: 494,798.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,107.82 : 775,962.10 = 358,432.50 : x
  2. Step 2: Convert to fraction form
    562,107.82/775,962.10 = 358,432.50/x
  3. Step 3: Cross multiply
    562,107.82x = 775,962.10 × 358,432.50
  4. Step 4: Simplify right side
    562,107.82x = 278,130,035,408.25
  5. Step 5: Solve for x
    x = 278,130,035,408.25/562,107.82
  6. Step 6: Final answer
    x = 494,798.37

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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.