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Finding the Fourth Proportional to 577,531.96, 864,952.26 and 561,588.28

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Solution

The fourth proportional to 577,531.96, 864,952.26 and 561,588.28 is: 841,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,531.96 : 864,952.26 = 561,588.28 : x
  2. Step 2: Convert to fraction form
    577,531.96/864,952.26 = 561,588.28/x
  3. Step 3: Cross multiply
    577,531.96x = 864,952.26 × 561,588.28
  4. Step 4: Simplify right side
    577,531.96x = 485,747,051,975.51
  5. Step 5: Solve for x
    x = 485,747,051,975.51/577,531.96
  6. Step 6: Final answer
    x = 841,073.89

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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.