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Finding the Fourth Proportional to 1,038,152, 1,432,651.68 and 561,224

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Solution

The fourth proportional to 1,038,152, 1,432,651.68 and 561,224 is: 774,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,152 : 1,432,651.68 = 561,224 : x
  2. Step 2: Convert to fraction form
    1,038,152/1,432,651.68 = 561,224/x
  3. Step 3: Cross multiply
    1,038,152x = 1,432,651.68 × 561,224
  4. Step 4: Simplify right side
    1,038,152x = 804,038,506,456.32
  5. Step 5: Solve for x
    x = 804,038,506,456.32/1,038,152
  6. Step 6: Final answer
    x = 774,490.16

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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.