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Finding the Fourth Proportional to 710,592.77, 979,940.28 and 465,211.37

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Solution

The fourth proportional to 710,592.77, 979,940.28 and 465,211.37 is: 641,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,592.77 : 979,940.28 = 465,211.37 : x
  2. Step 2: Convert to fraction form
    710,592.77/979,940.28 = 465,211.37/x
  3. Step 3: Cross multiply
    710,592.77x = 979,940.28 × 465,211.37
  4. Step 4: Simplify right side
    710,592.77x = 455,879,356,242.40
  5. Step 5: Solve for x
    x = 455,879,356,242.40/710,592.77
  6. Step 6: Final answer
    x = 641,547.98

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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.