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Finding the Fourth Proportional to 621,805.60, 932,938.80 and 248,096.80

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Solution

The fourth proportional to 621,805.60, 932,938.80 and 248,096.80 is: 372,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,805.60 : 932,938.80 = 248,096.80 : x
  2. Step 2: Convert to fraction form
    621,805.60/932,938.80 = 248,096.80/x
  3. Step 3: Cross multiply
    621,805.60x = 932,938.80 × 248,096.80
  4. Step 4: Simplify right side
    621,805.60x = 231,459,130,875.84
  5. Step 5: Solve for x
    x = 231,459,130,875.84/621,805.60
  6. Step 6: Final answer
    x = 372,237.13

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1.5x scale

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.