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Finding the Fourth Proportional to 459,210.66, 633,718.28 and 252,487.80

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Solution

The fourth proportional to 459,210.66, 633,718.28 and 252,487.80 is: 348,437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,210.66 : 633,718.28 = 252,487.80 : x
  2. Step 2: Convert to fraction form
    459,210.66/633,718.28 = 252,487.80/x
  3. Step 3: Cross multiply
    459,210.66x = 633,718.28 × 252,487.80
  4. Step 4: Simplify right side
    459,210.66x = 160,006,134,336.98
  5. Step 5: Solve for x
    x = 160,006,134,336.98/459,210.66
  6. Step 6: Final answer
    x = 348,437.33

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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.