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Finding the Fourth Proportional to 302,528.10, 453,792.15 and 260,537.70

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Solution

The fourth proportional to 302,528.10, 453,792.15 and 260,537.70 is: 390,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,528.10 : 453,792.15 = 260,537.70 : x
  2. Step 2: Convert to fraction form
    302,528.10/453,792.15 = 260,537.70/x
  3. Step 3: Cross multiply
    302,528.10x = 453,792.15 × 260,537.70
  4. Step 4: Simplify right side
    302,528.10x = 118,229,963,039.06
  5. Step 5: Solve for x
    x = 118,229,963,039.06/302,528.10
  6. Step 6: Final answer
    x = 390,806.55

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