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Finding the Fourth Proportional to 611,768.10, 917,652.15 and 564,528.90

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Solution

The fourth proportional to 611,768.10, 917,652.15 and 564,528.90 is: 846,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,768.10 : 917,652.15 = 564,528.90 : x
  2. Step 2: Convert to fraction form
    611,768.10/917,652.15 = 564,528.90/x
  3. Step 3: Cross multiply
    611,768.10x = 917,652.15 × 564,528.90
  4. Step 4: Simplify right side
    611,768.10x = 518,041,158,822.14
  5. Step 5: Solve for x
    x = 518,041,158,822.14/611,768.10
  6. Step 6: Final answer
    x = 846,793.35

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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.