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Finding the Fourth Proportional to 623,330.74, 930,488.68 and 547,662.67

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Solution

The fourth proportional to 623,330.74, 930,488.68 and 547,662.67 is: 817,533.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,330.74 : 930,488.68 = 547,662.67 : x
  2. Step 2: Convert to fraction form
    623,330.74/930,488.68 = 547,662.67/x
  3. Step 3: Cross multiply
    623,330.74x = 930,488.68 × 547,662.67
  4. Step 4: Simplify right side
    623,330.74x = 509,593,913,251.93
  5. Step 5: Solve for x
    x = 509,593,913,251.93/623,330.74
  6. Step 6: Final answer
    x = 817,533.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.