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Finding the Fourth Proportional to 763,602.64, 1,054,903.44 and 502,573.48

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Solution

The fourth proportional to 763,602.64, 1,054,903.44 and 502,573.48 is: 694,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,602.64 : 1,054,903.44 = 502,573.48 : x
  2. Step 2: Convert to fraction form
    763,602.64/1,054,903.44 = 502,573.48/x
  3. Step 3: Cross multiply
    763,602.64x = 1,054,903.44 × 502,573.48
  4. Step 4: Simplify right side
    763,602.64x = 530,166,492,904.77
  5. Step 5: Solve for x
    x = 530,166,492,904.77/763,602.64
  6. Step 6: Final answer
    x = 694,296.31

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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.