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Finding the Fourth Proportional to 575,434, 794,175.88 and 330,515.12

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Solution

The fourth proportional to 575,434, 794,175.88 and 330,515.12 is: 456,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,434 : 794,175.88 = 330,515.12 : x
  2. Step 2: Convert to fraction form
    575,434/794,175.88 = 330,515.12/x
  3. Step 3: Cross multiply
    575,434x = 794,175.88 × 330,515.12
  4. Step 4: Simplify right side
    575,434x = 262,487,136,279.31
  5. Step 5: Solve for x
    x = 262,487,136,279.31/575,434
  6. Step 6: Final answer
    x = 456,155.07

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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.