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Finding the Fourth Proportional to 475,133.64, 655,684.53 and 260,281.34

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Solution

The fourth proportional to 475,133.64, 655,684.53 and 260,281.34 is: 359,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,133.64 : 655,684.53 = 260,281.34 : x
  2. Step 2: Convert to fraction form
    475,133.64/655,684.53 = 260,281.34/x
  3. Step 3: Cross multiply
    475,133.64x = 655,684.53 × 260,281.34
  4. Step 4: Simplify right side
    475,133.64x = 170,662,448,085.67
  5. Step 5: Solve for x
    x = 170,662,448,085.67/475,133.64
  6. Step 6: Final answer
    x = 359,188.31

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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.