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Finding the Fourth Proportional to 404,042.40, 604,897.20 and 246,578.40

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Solution

The fourth proportional to 404,042.40, 604,897.20 and 246,578.40 is: 369,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,042.40 : 604,897.20 = 246,578.40 : x
  2. Step 2: Convert to fraction form
    404,042.40/604,897.20 = 246,578.40/x
  3. Step 3: Cross multiply
    404,042.40x = 604,897.20 × 246,578.40
  4. Step 4: Simplify right side
    404,042.40x = 149,154,583,740.48
  5. Step 5: Solve for x
    x = 149,154,583,740.48/404,042.40
  6. Step 6: Final answer
    x = 369,155.77

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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.