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Finding the Fourth Proportional to 528,435.33, 724,756.96 and 506,734.65

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Solution

The fourth proportional to 528,435.33, 724,756.96 and 506,734.65 is: 694,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,435.33 : 724,756.96 = 506,734.65 : x
  2. Step 2: Convert to fraction form
    528,435.33/724,756.96 = 506,734.65/x
  3. Step 3: Cross multiply
    528,435.33x = 724,756.96 × 506,734.65
  4. Step 4: Simplify right side
    528,435.33x = 367,259,464,460.66
  5. Step 5: Solve for x
    x = 367,259,464,460.66/528,435.33
  6. Step 6: Final answer
    x = 694,994.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.