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Finding the Fourth Proportional to 615,389.90, 922,683.90 and 552,404.30

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Solution

The fourth proportional to 615,389.90, 922,683.90 and 552,404.30 is: 828,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,389.90 : 922,683.90 = 552,404.30 : x
  2. Step 2: Convert to fraction form
    615,389.90/922,683.90 = 552,404.30/x
  3. Step 3: Cross multiply
    615,389.90x = 922,683.90 × 552,404.30
  4. Step 4: Simplify right side
    615,389.90x = 509,694,553,900.77
  5. Step 5: Solve for x
    x = 509,694,553,900.77/615,389.90
  6. Step 6: Final answer
    x = 828,246.54

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1.5x scale

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.