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Finding the Fourth Proportional to 599,430.40, 896,521.20 and 457,712.80

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Solution

The fourth proportional to 599,430.40, 896,521.20 and 457,712.80 is: 684,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,430.40 : 896,521.20 = 457,712.80 : x
  2. Step 2: Convert to fraction form
    599,430.40/896,521.20 = 457,712.80/x
  3. Step 3: Cross multiply
    599,430.40x = 896,521.20 × 457,712.80
  4. Step 4: Simplify right side
    599,430.40x = 410,349,228,711.36
  5. Step 5: Solve for x
    x = 410,349,228,711.36/599,430.40
  6. Step 6: Final answer
    x = 684,565.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.