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Finding the Fourth Proportional to 573,567.40, 859,962.30 and 218,528.20

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Solution

The fourth proportional to 573,567.40, 859,962.30 and 218,528.20 is: 327,644.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,567.40 : 859,962.30 = 218,528.20 : x
  2. Step 2: Convert to fraction form
    573,567.40/859,962.30 = 218,528.20/x
  3. Step 3: Cross multiply
    573,567.40x = 859,962.30 × 218,528.20
  4. Step 4: Simplify right side
    573,567.40x = 187,926,013,486.86
  5. Step 5: Solve for x
    x = 187,926,013,486.86/573,567.40
  6. Step 6: Final answer
    x = 327,644.17

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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.