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Finding the Fourth Proportional to 544,409.46, 751,281.12 and 302,690.16

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Solution

The fourth proportional to 544,409.46, 751,281.12 and 302,690.16 is: 417,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,409.46 : 751,281.12 = 302,690.16 : x
  2. Step 2: Convert to fraction form
    544,409.46/751,281.12 = 302,690.16/x
  3. Step 3: Cross multiply
    544,409.46x = 751,281.12 × 302,690.16
  4. Step 4: Simplify right side
    544,409.46x = 227,405,402,417.78
  5. Step 5: Solve for x
    x = 227,405,402,417.78/544,409.46
  6. Step 6: Final answer
    x = 417,710.23

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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.