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Finding the Fourth Proportional to 583,424.63, 805,126.01 and 315,152.63

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Solution

The fourth proportional to 583,424.63, 805,126.01 and 315,152.63 is: 434,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,424.63 : 805,126.01 = 315,152.63 : x
  2. Step 2: Convert to fraction form
    583,424.63/805,126.01 = 315,152.63/x
  3. Step 3: Cross multiply
    583,424.63x = 805,126.01 × 315,152.63
  4. Step 4: Simplify right side
    583,424.63x = 253,737,573,931.51
  5. Step 5: Solve for x
    x = 253,737,573,931.51/583,424.63
  6. Step 6: Final answer
    x = 434,910.63

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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.