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Finding the Fourth Proportional to 716,590.04, 988,781.33 and 410,607.58

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Solution

The fourth proportional to 716,590.04, 988,781.33 and 410,607.58 is: 566,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,590.04 : 988,781.33 = 410,607.58 : x
  2. Step 2: Convert to fraction form
    716,590.04/988,781.33 = 410,607.58/x
  3. Step 3: Cross multiply
    716,590.04x = 988,781.33 × 410,607.58
  4. Step 4: Simplify right side
    716,590.04x = 406,001,107,159.34
  5. Step 5: Solve for x
    x = 406,001,107,159.34/716,590.04
  6. Step 6: Final answer
    x = 566,573.75

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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.