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Finding the Fourth Proportional to 650,655.60, 971,554.49 and 574,116.27

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Solution

The fourth proportional to 650,655.60, 971,554.49 and 574,116.27 is: 857,266.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,655.60 : 971,554.49 = 574,116.27 : x
  2. Step 2: Convert to fraction form
    650,655.60/971,554.49 = 574,116.27/x
  3. Step 3: Cross multiply
    650,655.60x = 971,554.49 × 574,116.27
  4. Step 4: Simplify right side
    650,655.60x = 557,785,239,900.55
  5. Step 5: Solve for x
    x = 557,785,239,900.55/650,655.60
  6. Step 6: Final answer
    x = 857,266.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.