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Finding the Fourth Proportional to 556,060.64, 767,362.92 and 301,411.76

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Solution

The fourth proportional to 556,060.64, 767,362.92 and 301,411.76 is: 415,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,060.64 : 767,362.92 = 301,411.76 : x
  2. Step 2: Convert to fraction form
    556,060.64/767,362.92 = 301,411.76/x
  3. Step 3: Cross multiply
    556,060.64x = 767,362.92 × 301,411.76
  4. Step 4: Simplify right side
    556,060.64x = 231,292,208,275.94
  5. Step 5: Solve for x
    x = 231,292,208,275.94/556,060.64
  6. Step 6: Final answer
    x = 415,947.82

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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.