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Finding the Fourth Proportional to 407,124.10, 610,904.85 and 170,490.70

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Solution

The fourth proportional to 407,124.10, 610,904.85 and 170,490.70 is: 255,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,124.10 : 610,904.85 = 170,490.70 : x
  2. Step 2: Convert to fraction form
    407,124.10/610,904.85 = 170,490.70/x
  3. Step 3: Cross multiply
    407,124.10x = 610,904.85 × 170,490.70
  4. Step 4: Simplify right side
    407,124.10x = 104,153,595,509.90
  5. Step 5: Solve for x
    x = 104,153,595,509.90/407,124.10
  6. Step 6: Final answer
    x = 255,827.63

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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.