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Finding the Fourth Proportional to 614,903.47, 922,635.45 and 315,594.24

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Solution

The fourth proportional to 614,903.47, 922,635.45 and 315,594.24 is: 473,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,903.47 : 922,635.45 = 315,594.24 : x
  2. Step 2: Convert to fraction form
    614,903.47/922,635.45 = 315,594.24/x
  3. Step 3: Cross multiply
    614,903.47x = 922,635.45 × 315,594.24
  4. Step 4: Simplify right side
    614,903.47x = 291,178,433,639.81
  5. Step 5: Solve for x
    x = 291,178,433,639.81/614,903.47
  6. Step 6: Final answer
    x = 473,535.19

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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.