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Finding the Fourth Proportional to 585,928.40, 879,281.40 and 333,208.40

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Solution

The fourth proportional to 585,928.40, 879,281.40 and 333,208.40 is: 500,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,928.40 : 879,281.40 = 333,208.40 : x
  2. Step 2: Convert to fraction form
    585,928.40/879,281.40 = 333,208.40/x
  3. Step 3: Cross multiply
    585,928.40x = 879,281.40 × 333,208.40
  4. Step 4: Simplify right side
    585,928.40x = 292,983,948,443.76
  5. Step 5: Solve for x
    x = 292,983,948,443.76/585,928.40
  6. Step 6: Final answer
    x = 500,033.70

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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.