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Finding the Fourth Proportional to 637,657.65, 956,260.76 and 188,258.31

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Solution

The fourth proportional to 637,657.65, 956,260.76 and 188,258.31 is: 282,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,657.65 : 956,260.76 = 188,258.31 : x
  2. Step 2: Convert to fraction form
    637,657.65/956,260.76 = 188,258.31/x
  3. Step 3: Cross multiply
    637,657.65x = 956,260.76 × 188,258.31
  4. Step 4: Simplify right side
    637,657.65x = 180,024,033,655.62
  5. Step 5: Solve for x
    x = 180,024,033,655.62/637,657.65
  6. Step 6: Final answer
    x = 282,320.82

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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.