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Finding the Fourth Proportional to 317,339.72, 476,088.36 and 157,490.67

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Solution

The fourth proportional to 317,339.72, 476,088.36 and 157,490.67 is: 236,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,339.72 : 476,088.36 = 157,490.67 : x
  2. Step 2: Convert to fraction form
    317,339.72/476,088.36 = 157,490.67/x
  3. Step 3: Cross multiply
    317,339.72x = 476,088.36 × 157,490.67
  4. Step 4: Simplify right side
    317,339.72x = 74,979,475,094.29
  5. Step 5: Solve for x
    x = 74,979,475,094.29/317,339.72
  6. Step 6: Final answer
    x = 236,275.11

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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.