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Finding the Fourth Proportional to 609,700.42, 841,526.58 and 405,759.97

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Solution

The fourth proportional to 609,700.42, 841,526.58 and 405,759.97 is: 560,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,700.42 : 841,526.58 = 405,759.97 : x
  2. Step 2: Convert to fraction form
    609,700.42/841,526.58 = 405,759.97/x
  3. Step 3: Cross multiply
    609,700.42x = 841,526.58 × 405,759.97
  4. Step 4: Simplify right side
    609,700.42x = 341,457,799,855.00
  5. Step 5: Solve for x
    x = 341,457,799,855.00/609,700.42
  6. Step 6: Final answer
    x = 560,041.93

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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.