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Finding the Fourth Proportional to 598,612.80, 897,962.40 and 361,444.80

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Solution

The fourth proportional to 598,612.80, 897,962.40 and 361,444.80 is: 542,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,612.80 : 897,962.40 = 361,444.80 : x
  2. Step 2: Convert to fraction form
    598,612.80/897,962.40 = 361,444.80/x
  3. Step 3: Cross multiply
    598,612.80x = 897,962.40 × 361,444.80
  4. Step 4: Simplify right side
    598,612.80x = 324,563,840,075.52
  5. Step 5: Solve for x
    x = 324,563,840,075.52/598,612.80
  6. Step 6: Final answer
    x = 542,193.28

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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.