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Finding the Fourth Proportional to 310,868.80, 466,994.40 and 302,574.40

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Solution

The fourth proportional to 310,868.80, 466,994.40 and 302,574.40 is: 454,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,868.80 : 466,994.40 = 302,574.40 : x
  2. Step 2: Convert to fraction form
    310,868.80/466,994.40 = 302,574.40/x
  3. Step 3: Cross multiply
    310,868.80x = 466,994.40 × 302,574.40
  4. Step 4: Simplify right side
    310,868.80x = 141,300,550,383.36
  5. Step 5: Solve for x
    x = 141,300,550,383.36/310,868.80
  6. Step 6: Final answer
    x = 454,534.36

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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.