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Finding the Fourth Proportional to 569,681.80, 854,457.90 and 149,000.20

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Solution

The fourth proportional to 569,681.80, 854,457.90 and 149,000.20 is: 223,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,681.80 : 854,457.90 = 149,000.20 : x
  2. Step 2: Convert to fraction form
    569,681.80/854,457.90 = 149,000.20/x
  3. Step 3: Cross multiply
    569,681.80x = 854,457.90 × 149,000.20
  4. Step 4: Simplify right side
    569,681.80x = 127,314,397,991.58
  5. Step 5: Solve for x
    x = 127,314,397,991.58/569,681.80
  6. Step 6: Final answer
    x = 223,483.35

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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.