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Finding the Fourth Proportional to 713,532.66, 985,191.75 and 459,326.71

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Solution

The fourth proportional to 713,532.66, 985,191.75 and 459,326.71 is: 634,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,532.66 : 985,191.75 = 459,326.71 : x
  2. Step 2: Convert to fraction form
    713,532.66/985,191.75 = 459,326.71/x
  3. Step 3: Cross multiply
    713,532.66x = 985,191.75 × 459,326.71
  4. Step 4: Simplify right side
    713,532.66x = 452,524,886,478.13
  5. Step 5: Solve for x
    x = 452,524,886,478.13/713,532.66
  6. Step 6: Final answer
    x = 634,203.47

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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.