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Finding the Fourth Proportional to 750,636.36, 1,035,903.06 and 411,123.24

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Solution

The fourth proportional to 750,636.36, 1,035,903.06 and 411,123.24 is: 567,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,636.36 : 1,035,903.06 = 411,123.24 : x
  2. Step 2: Convert to fraction form
    750,636.36/1,035,903.06 = 411,123.24/x
  3. Step 3: Cross multiply
    750,636.36x = 1,035,903.06 × 411,123.24
  4. Step 4: Simplify right side
    750,636.36x = 425,883,822,353.11
  5. Step 5: Solve for x
    x = 425,883,822,353.11/750,636.36
  6. Step 6: Final answer
    x = 567,363.70

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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.