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Finding the Fourth Proportional to 553,312.20, 828,656.10 and 553,312.20

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Solution

The fourth proportional to 553,312.20, 828,656.10 and 553,312.20 is: 828,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,312.20 : 828,656.10 = 553,312.20 : x
  2. Step 2: Convert to fraction form
    553,312.20/828,656.10 = 553,312.20/x
  3. Step 3: Cross multiply
    553,312.20x = 828,656.10 × 553,312.20
  4. Step 4: Simplify right side
    553,312.20x = 458,505,529,734.42
  5. Step 5: Solve for x
    x = 458,505,529,734.42/553,312.20
  6. Step 6: Final answer
    x = 828,656.10

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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.