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Finding the Fourth Proportional to 606,864.76, 837,000.14 and 389,094.23

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Solution

The fourth proportional to 606,864.76, 837,000.14 and 389,094.23 is: 536,646.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,864.76 : 837,000.14 = 389,094.23 : x
  2. Step 2: Convert to fraction form
    606,864.76/837,000.14 = 389,094.23/x
  3. Step 3: Cross multiply
    606,864.76x = 837,000.14 × 389,094.23
  4. Step 4: Simplify right side
    606,864.76x = 325,671,923,037.72
  5. Step 5: Solve for x
    x = 325,671,923,037.72/606,864.76
  6. Step 6: Final answer
    x = 536,646.63

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Double scale
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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.