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Finding the Fourth Proportional to 537,330.40, 805,995.45 and 368,338.39

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Solution

The fourth proportional to 537,330.40, 805,995.45 and 368,338.39 is: 552,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,330.40 : 805,995.45 = 368,338.39 : x
  2. Step 2: Convert to fraction form
    537,330.40/805,995.45 = 368,338.39/x
  3. Step 3: Cross multiply
    537,330.40x = 805,995.45 × 368,338.39
  4. Step 4: Simplify right side
    537,330.40x = 296,879,065,421.28
  5. Step 5: Solve for x
    x = 296,879,065,421.28/537,330.40
  6. Step 6: Final answer
    x = 552,507.48

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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.