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Finding the Fourth Proportional to 564,068.52, 778,407.30 and 322,348.32

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Solution

The fourth proportional to 564,068.52, 778,407.30 and 322,348.32 is: 444,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,068.52 : 778,407.30 = 322,348.32 : x
  2. Step 2: Convert to fraction form
    564,068.52/778,407.30 = 322,348.32/x
  3. Step 3: Cross multiply
    564,068.52x = 778,407.30 × 322,348.32
  4. Step 4: Simplify right side
    564,068.52x = 250,918,285,430.74
  5. Step 5: Solve for x
    x = 250,918,285,430.74/564,068.52
  6. Step 6: Final answer
    x = 444,836.53

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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.