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Finding the Fourth Proportional to 410,073.40, 615,110.10 and 188,457.40

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Solution

The fourth proportional to 410,073.40, 615,110.10 and 188,457.40 is: 282,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,073.40 : 615,110.10 = 188,457.40 : x
  2. Step 2: Convert to fraction form
    410,073.40/615,110.10 = 188,457.40/x
  3. Step 3: Cross multiply
    410,073.40x = 615,110.10 × 188,457.40
  4. Step 4: Simplify right side
    410,073.40x = 115,922,050,159.74
  5. Step 5: Solve for x
    x = 115,922,050,159.74/410,073.40
  6. Step 6: Final answer
    x = 282,686.10

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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.