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Finding the Fourth Proportional to 922,670.73, 1,273,322.47 and 514,808.21

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Solution

The fourth proportional to 922,670.73, 1,273,322.47 and 514,808.21 is: 710,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,670.73 : 1,273,322.47 = 514,808.21 : x
  2. Step 2: Convert to fraction form
    922,670.73/1,273,322.47 = 514,808.21/x
  3. Step 3: Cross multiply
    922,670.73x = 1,273,322.47 × 514,808.21
  4. Step 4: Simplify right side
    922,670.73x = 655,516,861,533.48
  5. Step 5: Solve for x
    x = 655,516,861,533.48/922,670.73
  6. Step 6: Final answer
    x = 710,455.90

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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.