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Finding the Fourth Proportional to 536,709.93, 740,647.27 and 291,688.93

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Solution

The fourth proportional to 536,709.93, 740,647.27 and 291,688.93 is: 402,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,709.93 : 740,647.27 = 291,688.93 : x
  2. Step 2: Convert to fraction form
    536,709.93/740,647.27 = 291,688.93/x
  3. Step 3: Cross multiply
    536,709.93x = 740,647.27 × 291,688.93
  4. Step 4: Simplify right side
    536,709.93x = 216,038,609,693.72
  5. Step 5: Solve for x
    x = 216,038,609,693.72/536,709.93
  6. Step 6: Final answer
    x = 402,523.97

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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.