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Finding the Fourth Proportional to 459,852.30, 634,616.91 and 258,648.30

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Solution

The fourth proportional to 459,852.30, 634,616.91 and 258,648.30 is: 356,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,852.30 : 634,616.91 = 258,648.30 : x
  2. Step 2: Convert to fraction form
    459,852.30/634,616.91 = 258,648.30/x
  3. Step 3: Cross multiply
    459,852.30x = 634,616.91 × 258,648.30
  4. Step 4: Simplify right side
    459,852.30x = 164,142,584,922.75
  5. Step 5: Solve for x
    x = 164,142,584,922.75/459,852.30
  6. Step 6: Final answer
    x = 356,946.32

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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.