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Finding the Fourth Proportional to 475,534.44, 708,347.07 and 450,290.88

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Solution

The fourth proportional to 475,534.44, 708,347.07 and 450,290.88 is: 670,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,534.44 : 708,347.07 = 450,290.88 : x
  2. Step 2: Convert to fraction form
    475,534.44/708,347.07 = 450,290.88/x
  3. Step 3: Cross multiply
    475,534.44x = 708,347.07 × 450,290.88
  4. Step 4: Simplify right side
    475,534.44x = 318,962,225,495.72
  5. Step 5: Solve for x
    x = 318,962,225,495.72/475,534.44
  6. Step 6: Final answer
    x = 670,744.74

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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.