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Finding the Fourth Proportional to 700,015.14, 965,768.29 and 458,435.47

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Solution

The fourth proportional to 700,015.14, 965,768.29 and 458,435.47 is: 632,475.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,015.14 : 965,768.29 = 458,435.47 : x
  2. Step 2: Convert to fraction form
    700,015.14/965,768.29 = 458,435.47/x
  3. Step 3: Cross multiply
    700,015.14x = 965,768.29 × 458,435.47
  4. Step 4: Simplify right side
    700,015.14x = 442,742,439,937.25
  5. Step 5: Solve for x
    x = 442,742,439,937.25/700,015.14
  6. Step 6: Final answer
    x = 632,475.52

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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.