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Finding the Fourth Proportional to 710,549.61, 1,065,829 and 284,121.26

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Solution

The fourth proportional to 710,549.61, 1,065,829 and 284,121.26 is: 426,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,549.61 : 1,065,829 = 284,121.26 : x
  2. Step 2: Convert to fraction form
    710,549.61/1,065,829 = 284,121.26/x
  3. Step 3: Cross multiply
    710,549.61x = 1,065,829 × 284,121.26
  4. Step 4: Simplify right side
    710,549.61x = 302,824,678,424.54
  5. Step 5: Solve for x
    x = 302,824,678,424.54/710,549.61
  6. Step 6: Final answer
    x = 426,183.72

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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.