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Finding the Fourth Proportional to 459,612.77, 634,303.94 and 255,702.11

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Solution

The fourth proportional to 459,612.77, 634,303.94 and 255,702.11 is: 352,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,612.77 : 634,303.94 = 255,702.11 : x
  2. Step 2: Convert to fraction form
    459,612.77/634,303.94 = 255,702.11/x
  3. Step 3: Cross multiply
    459,612.77x = 634,303.94 × 255,702.11
  4. Step 4: Simplify right side
    459,612.77x = 162,192,851,389.28
  5. Step 5: Solve for x
    x = 162,192,851,389.28/459,612.77
  6. Step 6: Final answer
    x = 352,890.22

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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.