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Finding the Fourth Proportional to 608,366.58, 912,678.36 and 229,279.29

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Solution

The fourth proportional to 608,366.58, 912,678.36 and 229,279.29 is: 343,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,366.58 : 912,678.36 = 229,279.29 : x
  2. Step 2: Convert to fraction form
    608,366.58/912,678.36 = 229,279.29/x
  3. Step 3: Cross multiply
    608,366.58x = 912,678.36 × 229,279.29
  4. Step 4: Simplify right side
    608,366.58x = 209,258,246,379.16
  5. Step 5: Solve for x
    x = 209,258,246,379.16/608,366.58
  6. Step 6: Final answer
    x = 343,967.36

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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.