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Finding the Fourth Proportional to 637,070.22, 879,157.04 and 350,590.32

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Solution

The fourth proportional to 637,070.22, 879,157.04 and 350,590.32 is: 483,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,070.22 : 879,157.04 = 350,590.32 : x
  2. Step 2: Convert to fraction form
    637,070.22/879,157.04 = 350,590.32/x
  3. Step 3: Cross multiply
    637,070.22x = 879,157.04 × 350,590.32
  4. Step 4: Simplify right side
    637,070.22x = 308,223,946,230.90
  5. Step 5: Solve for x
    x = 308,223,946,230.90/637,070.22
  6. Step 6: Final answer
    x = 483,814.71

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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.