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Finding the Fourth Proportional to 459,597.42, 634,244.39 and 258,393.42

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Solution

The fourth proportional to 459,597.42, 634,244.39 and 258,393.42 is: 356,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,597.42 : 634,244.39 = 258,393.42 : x
  2. Step 2: Convert to fraction form
    459,597.42/634,244.39 = 258,393.42/x
  3. Step 3: Cross multiply
    459,597.42x = 634,244.39 × 258,393.42
  4. Step 4: Simplify right side
    459,597.42x = 163,884,575,755.95
  5. Step 5: Solve for x
    x = 163,884,575,755.95/459,597.42
  6. Step 6: Final answer
    x = 356,582.89

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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.