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Finding the Fourth Proportional to 705,611.58, 973,752.30 and 383,326.77

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Solution

The fourth proportional to 705,611.58, 973,752.30 and 383,326.77 is: 528,995.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,611.58 : 973,752.30 = 383,326.77 : x
  2. Step 2: Convert to fraction form
    705,611.58/973,752.30 = 383,326.77/x
  3. Step 3: Cross multiply
    705,611.58x = 973,752.30 × 383,326.77
  4. Step 4: Simplify right side
    705,611.58x = 373,265,323,939.07
  5. Step 5: Solve for x
    x = 373,265,323,939.07/705,611.58
  6. Step 6: Final answer
    x = 528,995.46

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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.