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Finding the Fourth Proportional to 434,657.66, 599,685.78 and 253,328.12

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Solution

The fourth proportional to 434,657.66, 599,685.78 and 253,328.12 is: 349,510.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,657.66 : 599,685.78 = 253,328.12 : x
  2. Step 2: Convert to fraction form
    434,657.66/599,685.78 = 253,328.12/x
  3. Step 3: Cross multiply
    434,657.66x = 599,685.78 × 253,328.12
  4. Step 4: Simplify right side
    434,657.66x = 151,917,271,238.13
  5. Step 5: Solve for x
    x = 151,917,271,238.13/434,657.66
  6. Step 6: Final answer
    x = 349,510.17

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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.