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Finding the Fourth Proportional to 497,285.46, 746,148.71 and 260,571.87

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Solution

The fourth proportional to 497,285.46, 746,148.71 and 260,571.87 is: 390,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,285.46 : 746,148.71 = 260,571.87 : x
  2. Step 2: Convert to fraction form
    497,285.46/746,148.71 = 260,571.87/x
  3. Step 3: Cross multiply
    497,285.46x = 746,148.71 × 260,571.87
  4. Step 4: Simplify right side
    497,285.46x = 194,425,365,314.22
  5. Step 5: Solve for x
    x = 194,425,365,314.22/497,285.46
  6. Step 6: Final answer
    x = 390,973.36

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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.