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Finding the Fourth Proportional to 528,802.70, 794,667.94 and 515,984.08

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Solution

The fourth proportional to 528,802.70, 794,667.94 and 515,984.08 is: 775,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,802.70 : 794,667.94 = 515,984.08 : x
  2. Step 2: Convert to fraction form
    528,802.70/794,667.94 = 515,984.08/x
  3. Step 3: Cross multiply
    528,802.70x = 794,667.94 × 515,984.08
  4. Step 4: Simplify right side
    528,802.70x = 410,036,005,926.40
  5. Step 5: Solve for x
    x = 410,036,005,926.40/528,802.70
  6. Step 6: Final answer
    x = 775,404.52

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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.