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Finding the Fourth Proportional to 294,323.17, 406,117.12 and 173,448.06

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Solution

The fourth proportional to 294,323.17, 406,117.12 and 173,448.06 is: 239,329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,323.17 : 406,117.12 = 173,448.06 : x
  2. Step 2: Convert to fraction form
    294,323.17/406,117.12 = 173,448.06/x
  3. Step 3: Cross multiply
    294,323.17x = 406,117.12 × 173,448.06
  4. Step 4: Simplify right side
    294,323.17x = 70,440,226,596.79
  5. Step 5: Solve for x
    x = 70,440,226,596.79/294,323.17
  6. Step 6: Final answer
    x = 239,329.53

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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.