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Finding the Fourth Proportional to 584,001.58, 805,866.14 and 354,684.36

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Solution

The fourth proportional to 584,001.58, 805,866.14 and 354,684.36 is: 489,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,001.58 : 805,866.14 = 354,684.36 : x
  2. Step 2: Convert to fraction form
    584,001.58/805,866.14 = 354,684.36/x
  3. Step 3: Cross multiply
    584,001.58x = 805,866.14 × 354,684.36
  4. Step 4: Simplify right side
    584,001.58x = 285,828,116,111.57
  5. Step 5: Solve for x
    x = 285,828,116,111.57/584,001.58
  6. Step 6: Final answer
    x = 489,430.38

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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.