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Finding the Fourth Proportional to 576,431.51, 793,714.55 and 522,364.82

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Solution

The fourth proportional to 576,431.51, 793,714.55 and 522,364.82 is: 719,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,431.51 : 793,714.55 = 522,364.82 : x
  2. Step 2: Convert to fraction form
    576,431.51/793,714.55 = 522,364.82/x
  3. Step 3: Cross multiply
    576,431.51x = 793,714.55 × 522,364.82
  4. Step 4: Simplify right side
    576,431.51x = 414,608,551,461.73
  5. Step 5: Solve for x
    x = 414,608,551,461.73/576,431.51
  6. Step 6: Final answer
    x = 719,267.68

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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.