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Finding the Fourth Proportional to 525,873.96, 788,810.94 and 480,254.76

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Solution

The fourth proportional to 525,873.96, 788,810.94 and 480,254.76 is: 720,382.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,873.96 : 788,810.94 = 480,254.76 : x
  2. Step 2: Convert to fraction form
    525,873.96/788,810.94 = 480,254.76/x
  3. Step 3: Cross multiply
    525,873.96x = 788,810.94 × 480,254.76
  4. Step 4: Simplify right side
    525,873.96x = 378,830,208,675.07
  5. Step 5: Solve for x
    x = 378,830,208,675.07/525,873.96
  6. Step 6: Final answer
    x = 720,382.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.