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Finding the Fourth Proportional to 693,301.42, 956,762.29 and 406,826.28

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Solution

The fourth proportional to 693,301.42, 956,762.29 and 406,826.28 is: 561,423.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,301.42 : 956,762.29 = 406,826.28 : x
  2. Step 2: Convert to fraction form
    693,301.42/956,762.29 = 406,826.28/x
  3. Step 3: Cross multiply
    693,301.42x = 956,762.29 × 406,826.28
  4. Step 4: Simplify right side
    693,301.42x = 389,236,043,284.98
  5. Step 5: Solve for x
    x = 389,236,043,284.98/693,301.42
  6. Step 6: Final answer
    x = 561,423.98

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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.