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Finding the Fourth Proportional to 604,991.10, 907,486.65 and 522,047.10

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Solution

The fourth proportional to 604,991.10, 907,486.65 and 522,047.10 is: 783,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,991.10 : 907,486.65 = 522,047.10 : x
  2. Step 2: Convert to fraction form
    604,991.10/907,486.65 = 522,047.10/x
  3. Step 3: Cross multiply
    604,991.10x = 907,486.65 × 522,047.10
  4. Step 4: Simplify right side
    604,991.10x = 473,750,773,921.22
  5. Step 5: Solve for x
    x = 473,750,773,921.22/604,991.10
  6. Step 6: Final answer
    x = 783,070.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.