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Finding the Fourth Proportional to 610,278.69, 915,292.91 and 231,068.60

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Solution

The fourth proportional to 610,278.69, 915,292.91 and 231,068.60 is: 346,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,278.69 : 915,292.91 = 231,068.60 : x
  2. Step 2: Convert to fraction form
    610,278.69/915,292.91 = 231,068.60/x
  3. Step 3: Cross multiply
    610,278.69x = 915,292.91 × 231,068.60
  4. Step 4: Simplify right side
    610,278.69x = 211,495,451,303.63
  5. Step 5: Solve for x
    x = 211,495,451,303.63/610,278.69
  6. Step 6: Final answer
    x = 346,555.52

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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.