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Finding the Fourth Proportional to 344,007.10, 516,010.65 and 260,026.30

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Solution

The fourth proportional to 344,007.10, 516,010.65 and 260,026.30 is: 390,039.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,007.10 : 516,010.65 = 260,026.30 : x
  2. Step 2: Convert to fraction form
    344,007.10/516,010.65 = 260,026.30/x
  3. Step 3: Cross multiply
    344,007.10x = 516,010.65 × 260,026.30
  4. Step 4: Simplify right side
    344,007.10x = 134,176,340,080.10
  5. Step 5: Solve for x
    x = 134,176,340,080.10/344,007.10
  6. Step 6: Final answer
    x = 390,039.45

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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.