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Finding the Fourth Proportional to 705,547.04, 973,118.44 and 488,117.46

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Solution

The fourth proportional to 705,547.04, 973,118.44 and 488,117.46 is: 673,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,547.04 : 973,118.44 = 488,117.46 : x
  2. Step 2: Convert to fraction form
    705,547.04/973,118.44 = 488,117.46/x
  3. Step 3: Cross multiply
    705,547.04x = 973,118.44 × 488,117.46
  4. Step 4: Simplify right side
    705,547.04x = 474,996,101,211.96
  5. Step 5: Solve for x
    x = 474,996,101,211.96/705,547.04
  6. Step 6: Final answer
    x = 673,230.95

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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.