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Finding the Fourth Proportional to 604,552.13, 833,927.60 and 386,681.30

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Solution

The fourth proportional to 604,552.13, 833,927.60 and 386,681.30 is: 533,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,552.13 : 833,927.60 = 386,681.30 : x
  2. Step 2: Convert to fraction form
    604,552.13/833,927.60 = 386,681.30/x
  3. Step 3: Cross multiply
    604,552.13x = 833,927.60 × 386,681.30
  4. Step 4: Simplify right side
    604,552.13x = 322,464,211,525.40
  5. Step 5: Solve for x
    x = 322,464,211,525.40/604,552.13
  6. Step 6: Final answer
    x = 533,393.56

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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.