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Finding the Fourth Proportional to 294,717.40, 406,710.02 and 160,581.40

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Solution

The fourth proportional to 294,717.40, 406,710.02 and 160,581.40 is: 221,602.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,717.40 : 406,710.02 = 160,581.40 : x
  2. Step 2: Convert to fraction form
    294,717.40/406,710.02 = 160,581.40/x
  3. Step 3: Cross multiply
    294,717.40x = 406,710.02 × 160,581.40
  4. Step 4: Simplify right side
    294,717.40x = 65,310,064,405.63
  5. Step 5: Solve for x
    x = 65,310,064,405.63/294,717.40
  6. Step 6: Final answer
    x = 221,602.34

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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.