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Finding the Fourth Proportional to 314,995,599.60, 472,493,399.40 and 314,995,599.60

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Solution

The fourth proportional to 314,995,599.60, 472,493,399.40 and 314,995,599.60 is: 472,493,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,995,599.60 : 472,493,399.40 = 314,995,599.60 : x
  2. Step 2: Convert to fraction form
    314,995,599.60/472,493,399.40 = 314,995,599.60/x
  3. Step 3: Cross multiply
    314,995,599.60x = 472,493,399.40 × 314,995,599.60
  4. Step 4: Simplify right side
    314,995,599.60x = 148,833,341,651,045,280
  5. Step 5: Solve for x
    x = 148,833,341,651,045,280/314,995,599.60
  6. Step 6: Final answer
    x = 472,493,399.40

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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.