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Finding the Fourth Proportional to 571,036.60, 788,415.42 and 510,412.96

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Solution

The fourth proportional to 571,036.60, 788,415.42 and 510,412.96 is: 704,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,036.60 : 788,415.42 = 510,412.96 : x
  2. Step 2: Convert to fraction form
    571,036.60/788,415.42 = 510,412.96/x
  3. Step 3: Cross multiply
    571,036.60x = 788,415.42 × 510,412.96
  4. Step 4: Simplify right side
    571,036.60x = 402,417,448,231.84
  5. Step 5: Solve for x
    x = 402,417,448,231.84/571,036.60
  6. Step 6: Final answer
    x = 704,713.93

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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.