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Finding the Fourth Proportional to 459,365.16, 634,118.34 and 430,668.84

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Solution

The fourth proportional to 459,365.16, 634,118.34 and 430,668.84 is: 594,505.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,365.16 : 634,118.34 = 430,668.84 : x
  2. Step 2: Convert to fraction form
    459,365.16/634,118.34 = 430,668.84/x
  3. Step 3: Cross multiply
    459,365.16x = 634,118.34 × 430,668.84
  4. Step 4: Simplify right side
    459,365.16x = 273,095,009,910.53
  5. Step 5: Solve for x
    x = 273,095,009,910.53/459,365.16
  6. Step 6: Final answer
    x = 594,505.27

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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.