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Finding the Fourth Proportional to 404,802.72, 607,205.04 and 124,319.52

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Solution

The fourth proportional to 404,802.72, 607,205.04 and 124,319.52 is: 186,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,802.72 : 607,205.04 = 124,319.52 : x
  2. Step 2: Convert to fraction form
    404,802.72/607,205.04 = 124,319.52/x
  3. Step 3: Cross multiply
    404,802.72x = 607,205.04 × 124,319.52
  4. Step 4: Simplify right side
    404,802.72x = 75,487,439,114.38
  5. Step 5: Solve for x
    x = 75,487,439,114.38/404,802.72
  6. Step 6: Final answer
    x = 186,479.57

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1.5x scale

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.