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Finding the Fourth Proportional to 560,240,410.80, 840,360,616.20 and 366,748,647.60

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Solution

The fourth proportional to 560,240,410.80, 840,360,616.20 and 366,748,647.60 is: 550,122,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,240,410.80 : 840,360,616.20 = 366,748,647.60 : x
  2. Step 2: Convert to fraction form
    560,240,410.80/840,360,616.20 = 366,748,647.60/x
  3. Step 3: Cross multiply
    560,240,410.80x = 840,360,616.20 × 366,748,647.60
  4. Step 4: Simplify right side
    560,240,410.80x = 308,201,119,487,652,672
  5. Step 5: Solve for x
    x = 308,201,119,487,652,672/560,240,410.80
  6. Step 6: Final answer
    x = 550,122,971.40

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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.