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Finding the Fourth Proportional to 554,920.90, 832,770.15 and 355,725.70

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Solution

The fourth proportional to 554,920.90, 832,770.15 and 355,725.70 is: 533,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,920.90 : 832,770.15 = 355,725.70 : x
  2. Step 2: Convert to fraction form
    554,920.90/832,770.15 = 355,725.70/x
  3. Step 3: Cross multiply
    554,920.90x = 832,770.15 × 355,725.70
  4. Step 4: Simplify right side
    554,920.90x = 296,237,744,547.86
  5. Step 5: Solve for x
    x = 296,237,744,547.86/554,920.90
  6. Step 6: Final answer
    x = 533,837.79

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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.