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Finding the Fourth Proportional to 474,403, 655,075.04 and 338,852.74

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Solution

The fourth proportional to 474,403, 655,075.04 and 338,852.74 is: 467,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,403 : 655,075.04 = 338,852.74 : x
  2. Step 2: Convert to fraction form
    474,403/655,075.04 = 338,852.74/x
  3. Step 3: Cross multiply
    474,403x = 655,075.04 × 338,852.74
  4. Step 4: Simplify right side
    474,403x = 221,973,972,209.61
  5. Step 5: Solve for x
    x = 221,973,972,209.61/474,403
  6. Step 6: Final answer
    x = 467,901.70

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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.