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Finding the Fourth Proportional to 634,816.68, 874,956 and 604,920.36

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Solution

The fourth proportional to 634,816.68, 874,956 and 604,920.36 is: 833,750.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,816.68 : 874,956 = 604,920.36 : x
  2. Step 2: Convert to fraction form
    634,816.68/874,956 = 604,920.36/x
  3. Step 3: Cross multiply
    634,816.68x = 874,956 × 604,920.36
  4. Step 4: Simplify right side
    634,816.68x = 529,278,698,504.16
  5. Step 5: Solve for x
    x = 529,278,698,504.16/634,816.68
  6. Step 6: Final answer
    x = 833,750.46

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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.