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Finding the Fourth Proportional to 357,888.36, 536,438.88 and 147,411.48

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Solution

The fourth proportional to 357,888.36, 536,438.88 and 147,411.48 is: 220,955.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,888.36 : 536,438.88 = 147,411.48 : x
  2. Step 2: Convert to fraction form
    357,888.36/536,438.88 = 147,411.48/x
  3. Step 3: Cross multiply
    357,888.36x = 536,438.88 × 147,411.48
  4. Step 4: Simplify right side
    357,888.36x = 79,077,249,230.34
  5. Step 5: Solve for x
    x = 79,077,249,230.34/357,888.36
  6. Step 6: Final answer
    x = 220,955.07

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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.