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Finding the Fourth Proportional to 294,240.30, 406,047.78 and 173,386.68

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Solution

The fourth proportional to 294,240.30, 406,047.78 and 173,386.68 is: 239,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,240.30 : 406,047.78 = 173,386.68 : x
  2. Step 2: Convert to fraction form
    294,240.30/406,047.78 = 173,386.68/x
  3. Step 3: Cross multiply
    294,240.30x = 406,047.78 × 173,386.68
  4. Step 4: Simplify right side
    294,240.30x = 70,403,276,495.57
  5. Step 5: Solve for x
    x = 70,403,276,495.57/294,240.30
  6. Step 6: Final answer
    x = 239,271.36

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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.