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Finding the Fourth Proportional to 713,816.58, 985,064.24 and 441,830.32

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Solution

The fourth proportional to 713,816.58, 985,064.24 and 441,830.32 is: 609,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,816.58 : 985,064.24 = 441,830.32 : x
  2. Step 2: Convert to fraction form
    713,816.58/985,064.24 = 441,830.32/x
  3. Step 3: Cross multiply
    713,816.58x = 985,064.24 × 441,830.32
  4. Step 4: Simplify right side
    713,816.58x = 435,231,248,379.76
  5. Step 5: Solve for x
    x = 435,231,248,379.76/713,816.58
  6. Step 6: Final answer
    x = 609,724.21

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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.