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Finding the Fourth Proportional to 562,534.42, 776,316.06 and 307,885.54

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Solution

The fourth proportional to 562,534.42, 776,316.06 and 307,885.54 is: 424,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,534.42 : 776,316.06 = 307,885.54 : x
  2. Step 2: Convert to fraction form
    562,534.42/776,316.06 = 307,885.54/x
  3. Step 3: Cross multiply
    562,534.42x = 776,316.06 × 307,885.54
  4. Step 4: Simplify right side
    562,534.42x = 239,016,483,922.76
  5. Step 5: Solve for x
    x = 239,016,483,922.76/562,534.42
  6. Step 6: Final answer
    x = 424,892.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.