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Finding the Fourth Proportional to 662,191.92, 913,828.92 and 360,389.04

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Solution

The fourth proportional to 662,191.92, 913,828.92 and 360,389.04 is: 497,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,191.92 : 913,828.92 = 360,389.04 : x
  2. Step 2: Convert to fraction form
    662,191.92/913,828.92 = 360,389.04/x
  3. Step 3: Cross multiply
    662,191.92x = 913,828.92 × 360,389.04
  4. Step 4: Simplify right side
    662,191.92x = 329,333,927,203.04
  5. Step 5: Solve for x
    x = 329,333,927,203.04/662,191.92
  6. Step 6: Final answer
    x = 497,339.09

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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.