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Finding the Fourth Proportional to 333,478.30, 460,465.42 and 307,975.35

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Solution

The fourth proportional to 333,478.30, 460,465.42 and 307,975.35 is: 425,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,478.30 : 460,465.42 = 307,975.35 : x
  2. Step 2: Convert to fraction form
    333,478.30/460,465.42 = 307,975.35/x
  3. Step 3: Cross multiply
    333,478.30x = 460,465.42 × 307,975.35
  4. Step 4: Simplify right side
    333,478.30x = 141,811,998,887.40
  5. Step 5: Solve for x
    x = 141,811,998,887.40/333,478.30
  6. Step 6: Final answer
    x = 425,251.05

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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.