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Finding the Fourth Proportional to 434,723.40, 607,368.60 and 434,723.40

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Solution

The fourth proportional to 434,723.40, 607,368.60 and 434,723.40 is: 607,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,723.40 : 607,368.60 = 434,723.40 : x
  2. Step 2: Convert to fraction form
    434,723.40/607,368.60 = 434,723.40/x
  3. Step 3: Cross multiply
    434,723.40x = 607,368.60 × 434,723.40
  4. Step 4: Simplify right side
    434,723.40x = 264,037,342,845.24
  5. Step 5: Solve for x
    x = 264,037,342,845.24/434,723.40
  6. Step 6: Final answer
    x = 607,368.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.