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Finding the Fourth Proportional to 696,929.64, 962,056.48 and 470,881.32

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Solution

The fourth proportional to 696,929.64, 962,056.48 and 470,881.32 is: 650,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,929.64 : 962,056.48 = 470,881.32 : x
  2. Step 2: Convert to fraction form
    696,929.64/962,056.48 = 470,881.32/x
  3. Step 3: Cross multiply
    696,929.64x = 962,056.48 × 470,881.32
  4. Step 4: Simplify right side
    696,929.64x = 453,014,425,216.95
  5. Step 5: Solve for x
    x = 453,014,425,216.95/696,929.64
  6. Step 6: Final answer
    x = 650,014.58

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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.