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Finding the Fourth Proportional to 501,798.42, 692,483.90 and 272,356.03

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Solution

The fourth proportional to 501,798.42, 692,483.90 and 272,356.03 is: 375,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,798.42 : 692,483.90 = 272,356.03 : x
  2. Step 2: Convert to fraction form
    501,798.42/692,483.90 = 272,356.03/x
  3. Step 3: Cross multiply
    501,798.42x = 692,483.90 × 272,356.03
  4. Step 4: Simplify right side
    501,798.42x = 188,602,165,842.92
  5. Step 5: Solve for x
    x = 188,602,165,842.92/501,798.42
  6. Step 6: Final answer
    x = 375,852.45

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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.