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Finding the Fourth Proportional to 707,240.58, 976,179.73 and 435,536.28

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Solution

The fourth proportional to 707,240.58, 976,179.73 and 435,536.28 is: 601,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,240.58 : 976,179.73 = 435,536.28 : x
  2. Step 2: Convert to fraction form
    707,240.58/976,179.73 = 435,536.28/x
  3. Step 3: Cross multiply
    707,240.58x = 976,179.73 × 435,536.28
  4. Step 4: Simplify right side
    707,240.58x = 425,161,687,126.76
  5. Step 5: Solve for x
    x = 425,161,687,126.76/707,240.58
  6. Step 6: Final answer
    x = 601,155.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.