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Finding the Fourth Proportional to 581,192.88, 802,404 and 460,820.40

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Solution

The fourth proportional to 581,192.88, 802,404 and 460,820.40 is: 636,215.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,192.88 : 802,404 = 460,820.40 : x
  2. Step 2: Convert to fraction form
    581,192.88/802,404 = 460,820.40/x
  3. Step 3: Cross multiply
    581,192.88x = 802,404 × 460,820.40
  4. Step 4: Simplify right side
    581,192.88x = 369,764,132,241.60
  5. Step 5: Solve for x
    x = 369,764,132,241.60/581,192.88
  6. Step 6: Final answer
    x = 636,215.87

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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.