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Finding the Fourth Proportional to 476,483.09, 714,672.32 and 139,527.10

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Solution

The fourth proportional to 476,483.09, 714,672.32 and 139,527.10 is: 209,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,483.09 : 714,672.32 = 139,527.10 : x
  2. Step 2: Convert to fraction form
    476,483.09/714,672.32 = 139,527.10/x
  3. Step 3: Cross multiply
    476,483.09x = 714,672.32 × 139,527.10
  4. Step 4: Simplify right side
    476,483.09x = 99,716,154,822.01
  5. Step 5: Solve for x
    x = 99,716,154,822.01/476,483.09
  6. Step 6: Final answer
    x = 209,275.33

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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.