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Finding the Fourth Proportional to 357,566.04, 536,342 and 144,328.28

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Solution

The fourth proportional to 357,566.04, 536,342 and 144,328.28 is: 216,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,566.04 : 536,342 = 144,328.28 : x
  2. Step 2: Convert to fraction form
    357,566.04/536,342 = 144,328.28/x
  3. Step 3: Cross multiply
    357,566.04x = 536,342 × 144,328.28
  4. Step 4: Simplify right side
    357,566.04x = 77,409,318,351.76
  5. Step 5: Solve for x
    x = 77,409,318,351.76/357,566.04
  6. Step 6: Final answer
    x = 216,489.57

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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.