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Finding the Fourth Proportional to 401,368.10, 602,152.55 and 283,270.10

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Solution

The fourth proportional to 401,368.10, 602,152.55 and 283,270.10 is: 424,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,368.10 : 602,152.55 = 283,270.10 : x
  2. Step 2: Convert to fraction form
    401,368.10/602,152.55 = 283,270.10/x
  3. Step 3: Cross multiply
    401,368.10x = 602,152.55 × 283,270.10
  4. Step 4: Simplify right side
    401,368.10x = 170,571,809,688.91
  5. Step 5: Solve for x
    x = 170,571,809,688.91/401,368.10
  6. Step 6: Final answer
    x = 424,976.01

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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.