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Finding the Fourth Proportional to 637,245.86, 879,483.28 and 382,613.46

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Solution

The fourth proportional to 637,245.86, 879,483.28 and 382,613.46 is: 528,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,245.86 : 879,483.28 = 382,613.46 : x
  2. Step 2: Convert to fraction form
    637,245.86/879,483.28 = 382,613.46/x
  3. Step 3: Cross multiply
    637,245.86x = 879,483.28 × 382,613.46
  4. Step 4: Simplify right side
    637,245.86x = 336,502,140,772.95
  5. Step 5: Solve for x
    x = 336,502,140,772.95/637,245.86
  6. Step 6: Final answer
    x = 528,057.01

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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.