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Finding the Fourth Proportional to 601,600.40, 830,127.30 and 343,460.94

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Solution

The fourth proportional to 601,600.40, 830,127.30 and 343,460.94 is: 473,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,600.40 : 830,127.30 = 343,460.94 : x
  2. Step 2: Convert to fraction form
    601,600.40/830,127.30 = 343,460.94/x
  3. Step 3: Cross multiply
    601,600.40x = 830,127.30 × 343,460.94
  4. Step 4: Simplify right side
    601,600.40x = 285,116,300,952.66
  5. Step 5: Solve for x
    x = 285,116,300,952.66/601,600.40
  6. Step 6: Final answer
    x = 473,929.70

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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.