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Finding the Fourth Proportional to 440,870.99, 607,830.91 and 285,545.93

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Solution

The fourth proportional to 440,870.99, 607,830.91 and 285,545.93 is: 393,683.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,870.99 : 607,830.91 = 285,545.93 : x
  2. Step 2: Convert to fraction form
    440,870.99/607,830.91 = 285,545.93/x
  3. Step 3: Cross multiply
    440,870.99x = 607,830.91 × 285,545.93
  4. Step 4: Simplify right side
    440,870.99x = 173,563,638,725.68
  5. Step 5: Solve for x
    x = 173,563,638,725.68/440,870.99
  6. Step 6: Final answer
    x = 393,683.51

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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.