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Finding the Fourth Proportional to 475,818.93, 656,638.56 and 260,957.07

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Solution

The fourth proportional to 475,818.93, 656,638.56 and 260,957.07 is: 360,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,818.93 : 656,638.56 = 260,957.07 : x
  2. Step 2: Convert to fraction form
    475,818.93/656,638.56 = 260,957.07/x
  3. Step 3: Cross multiply
    475,818.93x = 656,638.56 × 260,957.07
  4. Step 4: Simplify right side
    475,818.93x = 171,354,474,666.62
  5. Step 5: Solve for x
    x = 171,354,474,666.62/475,818.93
  6. Step 6: Final answer
    x = 360,125.38

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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.