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Finding the Fourth Proportional to 524,705.40, 786,150.90 and 243,646.20

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Solution

The fourth proportional to 524,705.40, 786,150.90 and 243,646.20 is: 365,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,705.40 : 786,150.90 = 243,646.20 : x
  2. Step 2: Convert to fraction form
    524,705.40/786,150.90 = 243,646.20/x
  3. Step 3: Cross multiply
    524,705.40x = 786,150.90 × 243,646.20
  4. Step 4: Simplify right side
    524,705.40x = 191,542,679,411.58
  5. Step 5: Solve for x
    x = 191,542,679,411.58/524,705.40
  6. Step 6: Final answer
    x = 365,048.04

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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.