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Finding the Fourth Proportional to 570,805.18, 788,240.63 and 427,316.14

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Solution

The fourth proportional to 570,805.18, 788,240.63 and 427,316.14 is: 590,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,805.18 : 788,240.63 = 427,316.14 : x
  2. Step 2: Convert to fraction form
    570,805.18/788,240.63 = 427,316.14/x
  3. Step 3: Cross multiply
    570,805.18x = 788,240.63 × 427,316.14
  4. Step 4: Simplify right side
    570,805.18x = 336,827,943,402.77
  5. Step 5: Solve for x
    x = 336,827,943,402.77/570,805.18
  6. Step 6: Final answer
    x = 590,092.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.