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Finding the Fourth Proportional to 376,903.86, 520,248.54 and 241,303.02

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Solution

The fourth proportional to 376,903.86, 520,248.54 and 241,303.02 is: 333,075.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,903.86 : 520,248.54 = 241,303.02 : x
  2. Step 2: Convert to fraction form
    376,903.86/520,248.54 = 241,303.02/x
  3. Step 3: Cross multiply
    376,903.86x = 520,248.54 × 241,303.02
  4. Step 4: Simplify right side
    376,903.86x = 125,537,545,803.52
  5. Step 5: Solve for x
    x = 125,537,545,803.52/376,903.86
  6. Step 6: Final answer
    x = 333,075.78

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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.