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Finding the Fourth Proportional to 519,307.98, 716,678.19 and 292,870.86

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Solution

The fourth proportional to 519,307.98, 716,678.19 and 292,870.86 is: 404,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,307.98 : 716,678.19 = 292,870.86 : x
  2. Step 2: Convert to fraction form
    519,307.98/716,678.19 = 292,870.86/x
  3. Step 3: Cross multiply
    519,307.98x = 716,678.19 × 292,870.86
  4. Step 4: Simplify right side
    519,307.98x = 209,894,157,848.54
  5. Step 5: Solve for x
    x = 209,894,157,848.54/519,307.98
  6. Step 6: Final answer
    x = 404,180.50

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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.