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Finding the Fourth Proportional to 593,090.15, 818,478.27 and 338,465.03

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Solution

The fourth proportional to 593,090.15, 818,478.27 and 338,465.03 is: 467,089.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,090.15 : 818,478.27 = 338,465.03 : x
  2. Step 2: Convert to fraction form
    593,090.15/818,478.27 = 338,465.03/x
  3. Step 3: Cross multiply
    593,090.15x = 818,478.27 × 338,465.03
  4. Step 4: Simplify right side
    593,090.15x = 277,026,268,117.51
  5. Step 5: Solve for x
    x = 277,026,268,117.51/593,090.15
  6. Step 6: Final answer
    x = 467,089.65

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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.