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Finding the Fourth Proportional to 611,810.16, 844,309.08 and 343,547.76

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Solution

The fourth proportional to 611,810.16, 844,309.08 and 343,547.76 is: 474,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,810.16 : 844,309.08 = 343,547.76 : x
  2. Step 2: Convert to fraction form
    611,810.16/844,309.08 = 343,547.76/x
  3. Step 3: Cross multiply
    611,810.16x = 844,309.08 × 343,547.76
  4. Step 4: Simplify right side
    611,810.16x = 290,060,493,181.66
  5. Step 5: Solve for x
    x = 290,060,493,181.66/611,810.16
  6. Step 6: Final answer
    x = 474,102.12

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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.