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Finding the Fourth Proportional to 475,339.35, 708,056.64 and 450,095.70

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Solution

The fourth proportional to 475,339.35, 708,056.64 and 450,095.70 is: 670,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,339.35 : 708,056.64 = 450,095.70 : x
  2. Step 2: Convert to fraction form
    475,339.35/708,056.64 = 450,095.70/x
  3. Step 3: Cross multiply
    475,339.35x = 708,056.64 × 450,095.70
  4. Step 4: Simplify right side
    475,339.35x = 318,693,249,020.45
  5. Step 5: Solve for x
    x = 318,693,249,020.45/475,339.35
  6. Step 6: Final answer
    x = 670,454.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.