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Finding the Fourth Proportional to 623,270.10, 934,905.15 and 583,904.10

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Solution

The fourth proportional to 623,270.10, 934,905.15 and 583,904.10 is: 875,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,270.10 : 934,905.15 = 583,904.10 : x
  2. Step 2: Convert to fraction form
    623,270.10/934,905.15 = 583,904.10/x
  3. Step 3: Cross multiply
    623,270.10x = 934,905.15 × 583,904.10
  4. Step 4: Simplify right side
    623,270.10x = 545,894,950,196.12
  5. Step 5: Solve for x
    x = 545,894,950,196.12/623,270.10
  6. Step 6: Final answer
    x = 875,856.15

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Double scale
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Similar ratio
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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.