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Finding the Fourth Proportional to 501,649.04, 692,248.08 and 275,276.72

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Solution

The fourth proportional to 501,649.04, 692,248.08 and 275,276.72 is: 379,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,649.04 : 692,248.08 = 275,276.72 : x
  2. Step 2: Convert to fraction form
    501,649.04/692,248.08 = 275,276.72/x
  3. Step 3: Cross multiply
    501,649.04x = 692,248.08 × 275,276.72
  4. Step 4: Simplify right side
    501,649.04x = 190,559,780,888.70
  5. Step 5: Solve for x
    x = 190,559,780,888.70/501,649.04
  6. Step 6: Final answer
    x = 379,866.73

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1.5x scale

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.