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Finding the Fourth Proportional to 590,030.40, 814,032 and 348,191.96

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Solution

The fourth proportional to 590,030.40, 814,032 and 348,191.96 is: 480,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,030.40 : 814,032 = 348,191.96 : x
  2. Step 2: Convert to fraction form
    590,030.40/814,032 = 348,191.96/x
  3. Step 3: Cross multiply
    590,030.40x = 814,032 × 348,191.96
  4. Step 4: Simplify right side
    590,030.40x = 283,439,397,582.72
  5. Step 5: Solve for x
    x = 283,439,397,582.72/590,030.40
  6. Step 6: Final answer
    x = 480,381.01

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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.