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Finding the Fourth Proportional to 461,018.60, 635,931.50 and 358,882.40

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Solution

The fourth proportional to 461,018.60, 635,931.50 and 358,882.40 is: 495,044.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,018.60 : 635,931.50 = 358,882.40 : x
  2. Step 2: Convert to fraction form
    461,018.60/635,931.50 = 358,882.40/x
  3. Step 3: Cross multiply
    461,018.60x = 635,931.50 × 358,882.40
  4. Step 4: Simplify right side
    461,018.60x = 228,224,622,955.60
  5. Step 5: Solve for x
    x = 228,224,622,955.60/461,018.60
  6. Step 6: Final answer
    x = 495,044.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.