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Finding the Fourth Proportional to 615,587.94, 924,783.14 and 445,334.80

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Solution

The fourth proportional to 615,587.94, 924,783.14 and 445,334.80 is: 669,015.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,587.94 : 924,783.14 = 445,334.80 : x
  2. Step 2: Convert to fraction form
    615,587.94/924,783.14 = 445,334.80/x
  3. Step 3: Cross multiply
    615,587.94x = 924,783.14 × 445,334.80
  4. Step 4: Simplify right side
    615,587.94x = 411,838,113,496.65
  5. Step 5: Solve for x
    x = 411,838,113,496.65/615,587.94
  6. Step 6: Final answer
    x = 669,015.89

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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.