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Finding the Fourth Proportional to 614,245.60, 921,368.40 and 567,006.40

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Solution

The fourth proportional to 614,245.60, 921,368.40 and 567,006.40 is: 850,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,245.60 : 921,368.40 = 567,006.40 : x
  2. Step 2: Convert to fraction form
    614,245.60/921,368.40 = 567,006.40/x
  3. Step 3: Cross multiply
    614,245.60x = 921,368.40 × 567,006.40
  4. Step 4: Simplify right side
    614,245.60x = 522,421,779,557.76
  5. Step 5: Solve for x
    x = 522,421,779,557.76/614,245.60
  6. Step 6: Final answer
    x = 850,509.60

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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.