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Finding the Fourth Proportional to 489,077.10, 733,615.65 and 471,362.40

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Solution

The fourth proportional to 489,077.10, 733,615.65 and 471,362.40 is: 707,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,077.10 : 733,615.65 = 471,362.40 : x
  2. Step 2: Convert to fraction form
    489,077.10/733,615.65 = 471,362.40/x
  3. Step 3: Cross multiply
    489,077.10x = 733,615.65 × 471,362.40
  4. Step 4: Simplify right side
    489,077.10x = 345,798,833,461.56
  5. Step 5: Solve for x
    x = 345,798,833,461.56/489,077.10
  6. Step 6: Final answer
    x = 707,043.60

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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.