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Finding the Fourth Proportional to 575,086.84, 793,602.16 and 360,345.31

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Solution

The fourth proportional to 575,086.84, 793,602.16 and 360,345.31 is: 497,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,086.84 : 793,602.16 = 360,345.31 : x
  2. Step 2: Convert to fraction form
    575,086.84/793,602.16 = 360,345.31/x
  3. Step 3: Cross multiply
    575,086.84x = 793,602.16 × 360,345.31
  4. Step 4: Simplify right side
    575,086.84x = 285,970,813,477.00
  5. Step 5: Solve for x
    x = 285,970,813,477.00/575,086.84
  6. Step 6: Final answer
    x = 497,265.45

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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.