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Finding the Fourth Proportional to 434,246.40, 597,628.80 and 358,214.40

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Solution

The fourth proportional to 434,246.40, 597,628.80 and 358,214.40 is: 492,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,246.40 : 597,628.80 = 358,214.40 : x
  2. Step 2: Convert to fraction form
    434,246.40/597,628.80 = 358,214.40/x
  3. Step 3: Cross multiply
    434,246.40x = 597,628.80 × 358,214.40
  4. Step 4: Simplify right side
    434,246.40x = 214,079,242,014.72
  5. Step 5: Solve for x
    x = 214,079,242,014.72/434,246.40
  6. Step 6: Final answer
    x = 492,990.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.