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Finding the Fourth Proportional to 459,508.77, 634,116.47 and 258,304.77

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Solution

The fourth proportional to 459,508.77, 634,116.47 and 258,304.77 is: 356,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,508.77 : 634,116.47 = 258,304.77 : x
  2. Step 2: Convert to fraction form
    459,508.77/634,116.47 = 258,304.77/x
  3. Step 3: Cross multiply
    459,508.77x = 634,116.47 × 258,304.77
  4. Step 4: Simplify right side
    459,508.77x = 163,795,307,645.04
  5. Step 5: Solve for x
    x = 163,795,307,645.04/459,508.77
  6. Step 6: Final answer
    x = 356,457.41

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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.