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Finding the Fourth Proportional to 586,090.12, 808,962.06 and 344,534.56

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Solution

The fourth proportional to 586,090.12, 808,962.06 and 344,534.56 is: 475,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,090.12 : 808,962.06 = 344,534.56 : x
  2. Step 2: Convert to fraction form
    586,090.12/808,962.06 = 344,534.56/x
  3. Step 3: Cross multiply
    586,090.12x = 808,962.06 × 344,534.56
  4. Step 4: Simplify right side
    586,090.12x = 278,715,387,398.79
  5. Step 5: Solve for x
    x = 278,715,387,398.79/586,090.12
  6. Step 6: Final answer
    x = 475,550.39

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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.