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Finding the Fourth Proportional to 611,461.72, 843,895.04 and 369,746.01

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Solution

The fourth proportional to 611,461.72, 843,895.04 and 369,746.01 is: 510,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,461.72 : 843,895.04 = 369,746.01 : x
  2. Step 2: Convert to fraction form
    611,461.72/843,895.04 = 369,746.01/x
  3. Step 3: Cross multiply
    611,461.72x = 843,895.04 × 369,746.01
  4. Step 4: Simplify right side
    611,461.72x = 312,026,825,116.79
  5. Step 5: Solve for x
    x = 312,026,825,116.79/611,461.72
  6. Step 6: Final answer
    x = 510,296.58

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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.