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Finding the Fourth Proportional to 434,730.40, 652,095.60 and 376,410.40

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Solution

The fourth proportional to 434,730.40, 652,095.60 and 376,410.40 is: 564,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,730.40 : 652,095.60 = 376,410.40 : x
  2. Step 2: Convert to fraction form
    434,730.40/652,095.60 = 376,410.40/x
  3. Step 3: Cross multiply
    434,730.40x = 652,095.60 × 376,410.40
  4. Step 4: Simplify right side
    434,730.40x = 245,455,565,634.24
  5. Step 5: Solve for x
    x = 245,455,565,634.24/434,730.40
  6. Step 6: Final answer
    x = 564,615.60

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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.