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Finding the Fourth Proportional to 578,838.40, 867,566.40 and 241,878.40

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Solution

The fourth proportional to 578,838.40, 867,566.40 and 241,878.40 is: 362,528.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,838.40 : 867,566.40 = 241,878.40 : x
  2. Step 2: Convert to fraction form
    578,838.40/867,566.40 = 241,878.40/x
  3. Step 3: Cross multiply
    578,838.40x = 867,566.40 × 241,878.40
  4. Step 4: Simplify right side
    578,838.40x = 209,845,572,725.76
  5. Step 5: Solve for x
    x = 209,845,572,725.76/578,838.40
  6. Step 6: Final answer
    x = 362,528.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.