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Finding the Fourth Proportional to 514,637.08, 710,226.54 and 285,219.46

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Solution

The fourth proportional to 514,637.08, 710,226.54 and 285,219.46 is: 393,618.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,637.08 : 710,226.54 = 285,219.46 : x
  2. Step 2: Convert to fraction form
    514,637.08/710,226.54 = 285,219.46/x
  3. Step 3: Cross multiply
    514,637.08x = 710,226.54 × 285,219.46
  4. Step 4: Simplify right side
    514,637.08x = 202,570,430,216.47
  5. Step 5: Solve for x
    x = 202,570,430,216.47/514,637.08
  6. Step 6: Final answer
    x = 393,618.02

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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.