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Finding the Fourth Proportional to 570,492.44, 854,477.28 and 390,150.48

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Solution

The fourth proportional to 570,492.44, 854,477.28 and 390,150.48 is: 584,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,492.44 : 854,477.28 = 390,150.48 : x
  2. Step 2: Convert to fraction form
    570,492.44/854,477.28 = 390,150.48/x
  3. Step 3: Cross multiply
    570,492.44x = 854,477.28 × 390,150.48
  4. Step 4: Simplify right side
    570,492.44x = 333,374,720,941.09
  5. Step 5: Solve for x
    x = 333,374,720,941.09/570,492.44
  6. Step 6: Final answer
    x = 584,363.08

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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.