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Finding the Fourth Proportional to 415,038.01, 621,559 and 237,005.41

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Solution

The fourth proportional to 415,038.01, 621,559 and 237,005.41 is: 354,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,038.01 : 621,559 = 237,005.41 : x
  2. Step 2: Convert to fraction form
    415,038.01/621,559 = 237,005.41/x
  3. Step 3: Cross multiply
    415,038.01x = 621,559 × 237,005.41
  4. Step 4: Simplify right side
    415,038.01x = 147,312,845,634.19
  5. Step 5: Solve for x
    x = 147,312,845,634.19/415,038.01
  6. Step 6: Final answer
    x = 354,938.20

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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.