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Finding the Fourth Proportional to 559,713.53, 772,404.93 and 317,996.51

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Solution

The fourth proportional to 559,713.53, 772,404.93 and 317,996.51 is: 438,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,713.53 : 772,404.93 = 317,996.51 : x
  2. Step 2: Convert to fraction form
    559,713.53/772,404.93 = 317,996.51/x
  3. Step 3: Cross multiply
    559,713.53x = 772,404.93 × 317,996.51
  4. Step 4: Simplify right side
    559,713.53x = 245,622,068,184.77
  5. Step 5: Solve for x
    x = 245,622,068,184.77/559,713.53
  6. Step 6: Final answer
    x = 438,835.32

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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.