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Finding the Fourth Proportional to 343,346.76, 473,810.04 and 190,385.55

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Solution

The fourth proportional to 343,346.76, 473,810.04 and 190,385.55 is: 262,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,346.76 : 473,810.04 = 190,385.55 : x
  2. Step 2: Convert to fraction form
    343,346.76/473,810.04 = 190,385.55/x
  3. Step 3: Cross multiply
    343,346.76x = 473,810.04 × 190,385.55
  4. Step 4: Simplify right side
    343,346.76x = 90,206,585,060.92
  5. Step 5: Solve for x
    x = 90,206,585,060.92/343,346.76
  6. Step 6: Final answer
    x = 262,727.35

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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.