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Finding the Fourth Proportional to 545,852.20, 817,223.10 and 483,644.20

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Solution

The fourth proportional to 545,852.20, 817,223.10 and 483,644.20 is: 724,088.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,852.20 : 817,223.10 = 483,644.20 : x
  2. Step 2: Convert to fraction form
    545,852.20/817,223.10 = 483,644.20/x
  3. Step 3: Cross multiply
    545,852.20x = 817,223.10 × 483,644.20
  4. Step 4: Simplify right side
    545,852.20x = 395,245,212,421.02
  5. Step 5: Solve for x
    x = 395,245,212,421.02/545,852.20
  6. Step 6: Final answer
    x = 724,088.34

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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.