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Finding the Fourth Proportional to 614,334.30, 921,501.45 and 606,461.10

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Solution

The fourth proportional to 614,334.30, 921,501.45 and 606,461.10 is: 909,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,334.30 : 921,501.45 = 606,461.10 : x
  2. Step 2: Convert to fraction form
    614,334.30/921,501.45 = 606,461.10/x
  3. Step 3: Cross multiply
    614,334.30x = 921,501.45 × 606,461.10
  4. Step 4: Simplify right side
    614,334.30x = 558,854,783,018.60
  5. Step 5: Solve for x
    x = 558,854,783,018.60/614,334.30
  6. Step 6: Final answer
    x = 909,691.65

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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.