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Finding the Fourth Proportional to 438,152.40, 657,228.60 and 333,176.40

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Solution

The fourth proportional to 438,152.40, 657,228.60 and 333,176.40 is: 499,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,152.40 : 657,228.60 = 333,176.40 : x
  2. Step 2: Convert to fraction form
    438,152.40/657,228.60 = 333,176.40/x
  3. Step 3: Cross multiply
    438,152.40x = 657,228.60 × 333,176.40
  4. Step 4: Simplify right side
    438,152.40x = 218,973,058,925.04
  5. Step 5: Solve for x
    x = 218,973,058,925.04/438,152.40
  6. Step 6: Final answer
    x = 499,764.60

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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.