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Finding the Fourth Proportional to 554,196.69, 764,791.98 and 299,547.90

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Solution

The fourth proportional to 554,196.69, 764,791.98 and 299,547.90 is: 413,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,196.69 : 764,791.98 = 299,547.90 : x
  2. Step 2: Convert to fraction form
    554,196.69/764,791.98 = 299,547.90/x
  3. Step 3: Cross multiply
    554,196.69x = 764,791.98 × 299,547.90
  4. Step 4: Simplify right side
    554,196.69x = 229,091,831,545.84
  5. Step 5: Solve for x
    x = 229,091,831,545.84/554,196.69
  6. Step 6: Final answer
    x = 413,376.40

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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.