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Finding the Fourth Proportional to 528,033.40, 791,466.90 and 291,545.80

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Solution

The fourth proportional to 528,033.40, 791,466.90 and 291,545.80 is: 436,996.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,033.40 : 791,466.90 = 291,545.80 : x
  2. Step 2: Convert to fraction form
    528,033.40/791,466.90 = 291,545.80/x
  3. Step 3: Cross multiply
    528,033.40x = 791,466.90 × 291,545.80
  4. Step 4: Simplify right side
    528,033.40x = 230,748,850,534.02
  5. Step 5: Solve for x
    x = 230,748,850,534.02/528,033.40
  6. Step 6: Final answer
    x = 436,996.69

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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.