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Finding the Fourth Proportional to 575,571.60, 863,746.20 and 375,404.40

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Solution

The fourth proportional to 575,571.60, 863,746.20 and 375,404.40 is: 563,360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,571.60 : 863,746.20 = 375,404.40 : x
  2. Step 2: Convert to fraction form
    575,571.60/863,746.20 = 375,404.40/x
  3. Step 3: Cross multiply
    575,571.60x = 863,746.20 × 375,404.40
  4. Step 4: Simplify right side
    575,571.60x = 324,254,123,963.28
  5. Step 5: Solve for x
    x = 324,254,123,963.28/575,571.60
  6. Step 6: Final answer
    x = 563,360.19

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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.