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Finding the Fourth Proportional to 571,941.88, 788,561.65 and 418,714.06

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Solution

The fourth proportional to 571,941.88, 788,561.65 and 418,714.06 is: 577,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,941.88 : 788,561.65 = 418,714.06 : x
  2. Step 2: Convert to fraction form
    571,941.88/788,561.65 = 418,714.06/x
  3. Step 3: Cross multiply
    571,941.88x = 788,561.65 × 418,714.06
  4. Step 4: Simplify right side
    571,941.88x = 330,181,849,107.18
  5. Step 5: Solve for x
    x = 330,181,849,107.18/571,941.88
  6. Step 6: Final answer
    x = 577,299.65

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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.