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Finding the Fourth Proportional to 260,224.04, 358,970.64 and 158,280.68

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Solution

The fourth proportional to 260,224.04, 358,970.64 and 158,280.68 is: 218,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,224.04 : 358,970.64 = 158,280.68 : x
  2. Step 2: Convert to fraction form
    260,224.04/358,970.64 = 158,280.68/x
  3. Step 3: Cross multiply
    260,224.04x = 358,970.64 × 158,280.68
  4. Step 4: Simplify right side
    260,224.04x = 56,818,117,303.11
  5. Step 5: Solve for x
    x = 56,818,117,303.11/260,224.04
  6. Step 6: Final answer
    x = 218,343.07

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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.