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Finding the Fourth Proportional to 562,569.75, 776,353.56 and 307,915.47

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Solution

The fourth proportional to 562,569.75, 776,353.56 and 307,915.47 is: 424,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,569.75 : 776,353.56 = 307,915.47 : x
  2. Step 2: Convert to fraction form
    562,569.75/776,353.56 = 307,915.47/x
  3. Step 3: Cross multiply
    562,569.75x = 776,353.56 × 307,915.47
  4. Step 4: Simplify right side
    562,569.75x = 239,051,271,313.57
  5. Step 5: Solve for x
    x = 239,051,271,313.57/562,569.75
  6. Step 6: Final answer
    x = 424,927.35

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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.