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Finding the Fourth Proportional to 720,052.07, 993,633.45 and 414,079.83

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Solution

The fourth proportional to 720,052.07, 993,633.45 and 414,079.83 is: 571,408.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,052.07 : 993,633.45 = 414,079.83 : x
  2. Step 2: Convert to fraction form
    720,052.07/993,633.45 = 414,079.83/x
  3. Step 3: Cross multiply
    720,052.07x = 993,633.45 × 414,079.83
  4. Step 4: Simplify right side
    720,052.07x = 411,443,570,058.31
  5. Step 5: Solve for x
    x = 411,443,570,058.31/720,052.07
  6. Step 6: Final answer
    x = 571,408.08

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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.