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Finding the Fourth Proportional to 348,897.60, 522,050.40 and 255,585.60

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Solution

The fourth proportional to 348,897.60, 522,050.40 and 255,585.60 is: 382,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,897.60 : 522,050.40 = 255,585.60 : x
  2. Step 2: Convert to fraction form
    348,897.60/522,050.40 = 255,585.60/x
  3. Step 3: Cross multiply
    348,897.60x = 522,050.40 × 255,585.60
  4. Step 4: Simplify right side
    348,897.60x = 133,428,564,714.24
  5. Step 5: Solve for x
    x = 133,428,564,714.24/348,897.60
  6. Step 6: Final answer
    x = 382,429.01

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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.